21036767580

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3257}}^1$

素因数の和:3727

約数の個数: 168

約数和(自身を含む): 66405416112

約数和(自身を除く): 45368648532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 443, 486, 540, 729, 810, 886, 972, 1215, 1329, 1458, 1620, 1772, 2215, 2430, 2658, 2916, 3257, 3645, 3987, 4430, 4860, 5316, 6514, 6645, 7290, 7974, 8860, 9771, 11961, 13028, 13290, 14580, 15948, 16285, 19542, 19935, 23922, 26580, 29313, 32570, 35883, 39084, 39870, 47844, 48855, 58626, 59805, 65140, 71766, 79740, 87939, 97710, 107649, 117252, 119610, 143532, 146565, 175878, 179415, 195420, 215298, 239220, 263817, 293130, 322947, 351756, 358830, 430596, 439695, 527634, 538245, 586260, 645894, 717660, 791451, 879390, 1055268, 1076490, 1291788, 1319085, 1442851, 1582902, 1614735, 1758780, 2152980, 2374353, 2638170, 2885702, 3165804, 3229470, 3957255, 4328553, 4748706, 5276340, 5771404, 6458940, 7214255, 7914510, 8657106, 9497412, 11871765, 12985659, 14428510, 15829020, 17314212, 21642765, 23743530, 25971318, 28857020, 38956977, 43285530, 47487060, 51942636, 64928295, 77913954, 86571060, 116870931, 129856590, 155827908, 194784885, 233741862, 259713180, 350612793, 389569770, 467483724, 584354655, 701225586, 779139540, 1051838379, 1168709310, 1402451172, 1753063965, 2103676758, 2337418620, 3506127930, 4207353516, 5259191895, 7012255860, 10518383790, 21036767580]

約数ペア:

[(1, 21036767580), (2, 10518383790), (3, 7012255860), (4, 5259191895), (5, 4207353516), (6, 3506127930), (9, 2337418620), (10, 2103676758), (12, 1753063965), (15, 1402451172), (18, 1168709310), (20, 1051838379), (27, 779139540), (30, 701225586), (36, 584354655), (45, 467483724), (54, 389569770), (60, 350612793), (81, 259713180), (90, 233741862), (108, 194784885), (135, 155827908), (162, 129856590), (180, 116870931), (243, 86571060), (270, 77913954), (324, 64928295), (405, 51942636), (443, 47487060), (486, 43285530), (540, 38956977), (729, 28857020), (810, 25971318), (886, 23743530), (972, 21642765), (1215, 17314212), (1329, 15829020), (1458, 14428510), (1620, 12985659), (1772, 11871765), (2215, 9497412), (2430, 8657106), (2658, 7914510), (2916, 7214255), (3257, 6458940), (3645, 5771404), (3987, 5276340), (4430, 4748706), (4860, 4328553), (5316, 3957255), (6514, 3229470), (6645, 3165804), (7290, 2885702), (7974, 2638170), (8860, 2374353), (9771, 2152980), (11961, 1758780), (13028, 1614735), (13290, 1582902), (14580, 1442851), (15948, 1319085), (16285, 1291788), (19542, 1076490), (19935, 1055268), (23922, 879390), (26580, 791451), (29313, 717660), (32570, 645894), (35883, 586260), (39084, 538245), (39870, 527634), (47844, 439695), (48855, 430596), (58626, 358830), (59805, 351756), (65140, 322947), (71766, 293130), (79740, 263817), (87939, 239220), (97710, 215298), (107649, 195420), (117252, 179415), (119610, 175878), (143532, 146565)]