21228638928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1\times {\mathrm{2693}}^1$

素因数の和:3549

約数の個数: 160

約数和(自身を含む): 64940486400

約数和(自身を除く): 43711847472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 56, 58, 84, 87, 112, 116, 168, 174, 203, 232, 336, 348, 406, 464, 609, 696, 809, 812, 1218, 1392, 1618, 1624, 2427, 2436, 2693, 3236, 3248, 4854, 4872, 5386, 5663, 6472, 8079, 9708, 9744, 10772, 11326, 12944, 16158, 16989, 18851, 19416, 21544, 22652, 23461, 32316, 33978, 37702, 38832, 43088, 45304, 46922, 56553, 64632, 67956, 70383, 75404, 78097, 90608, 93844, 113106, 129264, 135912, 140766, 150808, 156194, 164227, 187688, 226212, 234291, 271824, 281532, 301616, 312388, 328454, 375376, 452424, 468582, 492681, 546679, 563064, 624776, 656908, 904848, 937164, 985362, 1093358, 1126128, 1249552, 1313816, 1640037, 1874328, 1970724, 2178637, 2186716, 2627632, 3280074, 3748656, 3941448, 4357274, 4373432, 6535911, 6560148, 7882896, 8714548, 8746864, 13071822, 13120296, 15250459, 17429096, 26143644, 26240592, 30500918, 34858192, 45751377, 52287288, 61001836, 63180473, 91502754, 104574576, 122003672, 126360946, 183005508, 189541419, 244007344, 252721892, 366011016, 379082838, 442263311, 505443784, 732022032, 758165676, 884526622, 1010887568, 1326789933, 1516331352, 1769053244, 2653579866, 3032662704, 3538106488, 5307159732, 7076212976, 10614319464, 21228638928]

約数ペア:

[(1, 21228638928), (2, 10614319464), (3, 7076212976), (4, 5307159732), (6, 3538106488), (7, 3032662704), (8, 2653579866), (12, 1769053244), (14, 1516331352), (16, 1326789933), (21, 1010887568), (24, 884526622), (28, 758165676), (29, 732022032), (42, 505443784), (48, 442263311), (56, 379082838), (58, 366011016), (84, 252721892), (87, 244007344), (112, 189541419), (116, 183005508), (168, 126360946), (174, 122003672), (203, 104574576), (232, 91502754), (336, 63180473), (348, 61001836), (406, 52287288), (464, 45751377), (609, 34858192), (696, 30500918), (809, 26240592), (812, 26143644), (1218, 17429096), (1392, 15250459), (1618, 13120296), (1624, 13071822), (2427, 8746864), (2436, 8714548), (2693, 7882896), (3236, 6560148), (3248, 6535911), (4854, 4373432), (4872, 4357274), (5386, 3941448), (5663, 3748656), (6472, 3280074), (8079, 2627632), (9708, 2186716), (9744, 2178637), (10772, 1970724), (11326, 1874328), (12944, 1640037), (16158, 1313816), (16989, 1249552), (18851, 1126128), (19416, 1093358), (21544, 985362), (22652, 937164), (23461, 904848), (32316, 656908), (33978, 624776), (37702, 563064), (38832, 546679), (43088, 492681), (45304, 468582), (46922, 452424), (56553, 375376), (64632, 328454), (67956, 312388), (70383, 301616), (75404, 281532), (78097, 271824), (90608, 234291), (93844, 226212), (113106, 187688), (129264, 164227), (135912, 156194), (140766, 150808)]