21783528

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 69139980

約数和(自身を除く): 47356452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 37, 39, 51, 52, 68, 72, 74, 78, 102, 104, 111, 117, 136, 148, 153, 156, 204, 221, 222, 234, 296, 306, 312, 333, 408, 442, 444, 468, 481, 612, 629, 663, 666, 884, 888, 936, 962, 1224, 1258, 1326, 1332, 1369, 1443, 1768, 1887, 1924, 1989, 2516, 2652, 2664, 2738, 2886, 3774, 3848, 3978, 4107, 4329, 5032, 5304, 5476, 5661, 5772, 7548, 7956, 8177, 8214, 8658, 10952, 11322, 11544, 12321, 15096, 15912, 16354, 16428, 17316, 17797, 22644, 23273, 24531, 24642, 32708, 32856, 34632, 35594, 45288, 46546, 49062, 49284, 53391, 65416, 69819, 71188, 73593, 93092, 98124, 98568, 106782, 139638, 142376, 147186, 160173, 186184, 196248, 209457, 213564, 279276, 294372, 302549, 320346, 418914, 427128, 558552, 588744, 605098, 640692, 837828, 907647, 1210196, 1281384, 1675656, 1815294, 2420392, 2722941, 3630588, 5445882, 7261176, 10891764, 21783528]

約数ペア:

[(1, 21783528), (2, 10891764), (3, 7261176), (4, 5445882), (6, 3630588), (8, 2722941), (9, 2420392), (12, 1815294), (13, 1675656), (17, 1281384), (18, 1210196), (24, 907647), (26, 837828), (34, 640692), (36, 605098), (37, 588744), (39, 558552), (51, 427128), (52, 418914), (68, 320346), (72, 302549), (74, 294372), (78, 279276), (102, 213564), (104, 209457), (111, 196248), (117, 186184), (136, 160173), (148, 147186), (153, 142376), (156, 139638), (204, 106782), (221, 98568), (222, 98124), (234, 93092), (296, 73593), (306, 71188), (312, 69819), (333, 65416), (408, 53391), (442, 49284), (444, 49062), (468, 46546), (481, 45288), (612, 35594), (629, 34632), (663, 32856), (666, 32708), (884, 24642), (888, 24531), (936, 23273), (962, 22644), (1224, 17797), (1258, 17316), (1326, 16428), (1332, 16354), (1369, 15912), (1443, 15096), (1768, 12321), (1887, 11544), (1924, 11322), (1989, 10952), (2516, 8658), (2652, 8214), (2664, 8177), (2738, 7956), (2886, 7548), (3774, 5772), (3848, 5661), (3978, 5476), (4107, 5304), (4329, 5032)]