21266388

素因数分解:

$2^2\times 3^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:66

約数の個数: 192

約数和(自身を含む): 69431040

約数和(自身を除く): 48164652

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 17, 18, 22, 26, 27, 33, 34, 36, 39, 44, 51, 52, 54, 66, 68, 78, 81, 99, 102, 108, 117, 132, 143, 153, 156, 162, 187, 198, 204, 221, 234, 243, 286, 297, 306, 324, 351, 374, 396, 429, 442, 459, 468, 486, 561, 572, 594, 612, 663, 702, 729, 748, 858, 884, 891, 918, 972, 1053, 1122, 1188, 1287, 1326, 1377, 1404, 1458, 1683, 1716, 1782, 1836, 1989, 2106, 2187, 2244, 2431, 2574, 2652, 2673, 2754, 2916, 3159, 3366, 3564, 3861, 3978, 4131, 4212, 4374, 4862, 5049, 5148, 5346, 5508, 5967, 6318, 6732, 7293, 7722, 7956, 8019, 8262, 8748, 9477, 9724, 10098, 10692, 11583, 11934, 12393, 12636, 14586, 15147, 15444, 16038, 16524, 17901, 18954, 20196, 21879, 23166, 23868, 24057, 24786, 28431, 29172, 30294, 32076, 34749, 35802, 37179, 37908, 43758, 45441, 46332, 48114, 49572, 53703, 56862, 60588, 65637, 69498, 71604, 74358, 87516, 90882, 96228, 104247, 107406, 113724, 131274, 136323, 138996, 148716, 161109, 181764, 196911, 208494, 214812, 262548, 272646, 312741, 322218, 393822, 408969, 416988, 483327, 545292, 590733, 625482, 644436, 787644, 817938, 966654, 1181466, 1250964, 1635876, 1772199, 1933308, 2362932, 3544398, 5316597, 7088796, 10633194, 21266388]

約数ペア:

[(1, 21266388), (2, 10633194), (3, 7088796), (4, 5316597), (6, 3544398), (9, 2362932), (11, 1933308), (12, 1772199), (13, 1635876), (17, 1250964), (18, 1181466), (22, 966654), (26, 817938), (27, 787644), (33, 644436), (34, 625482), (36, 590733), (39, 545292), (44, 483327), (51, 416988), (52, 408969), (54, 393822), (66, 322218), (68, 312741), (78, 272646), (81, 262548), (99, 214812), (102, 208494), (108, 196911), (117, 181764), (132, 161109), (143, 148716), (153, 138996), (156, 136323), (162, 131274), (187, 113724), (198, 107406), (204, 104247), (221, 96228), (234, 90882), (243, 87516), (286, 74358), (297, 71604), (306, 69498), (324, 65637), (351, 60588), (374, 56862), (396, 53703), (429, 49572), (442, 48114), (459, 46332), (468, 45441), (486, 43758), (561, 37908), (572, 37179), (594, 35802), (612, 34749), (663, 32076), (702, 30294), (729, 29172), (748, 28431), (858, 24786), (884, 24057), (891, 23868), (918, 23166), (972, 21879), (1053, 20196), (1122, 18954), (1188, 17901), (1287, 16524), (1326, 16038), (1377, 15444), (1404, 15147), (1458, 14586), (1683, 12636), (1716, 12393), (1782, 11934), (1836, 11583), (1989, 10692), (2106, 10098), (2187, 9724), (2244, 9477), (2431, 8748), (2574, 8262), (2652, 8019), (2673, 7956), (2754, 7722), (2916, 7293), (3159, 6732), (3366, 6318), (3564, 5967), (3861, 5508), (3978, 5346), (4131, 5148), (4212, 5049), (4374, 4862)]