21957744

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 61067520

約数和(自身を除く): 39109776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 71, 102, 136, 142, 204, 213, 272, 284, 379, 408, 426, 568, 758, 816, 852, 1136, 1137, 1207, 1516, 1704, 2274, 2414, 3032, 3408, 3621, 4548, 4828, 6064, 6443, 7242, 9096, 9656, 12886, 14484, 18192, 19312, 19329, 25772, 26909, 28968, 38658, 51544, 53818, 57936, 77316, 80727, 103088, 107636, 154632, 161454, 215272, 309264, 322908, 430544, 457453, 645816, 914906, 1291632, 1372359, 1829812, 2744718, 3659624, 5489436, 7319248, 10978872, 21957744]

約数ペア:

[(1, 21957744), (2, 10978872), (3, 7319248), (4, 5489436), (6, 3659624), (8, 2744718), (12, 1829812), (16, 1372359), (17, 1291632), (24, 914906), (34, 645816), (48, 457453), (51, 430544), (68, 322908), (71, 309264), (102, 215272), (136, 161454), (142, 154632), (204, 107636), (213, 103088), (272, 80727), (284, 77316), (379, 57936), (408, 53818), (426, 51544), (568, 38658), (758, 28968), (816, 26909), (852, 25772), (1136, 19329), (1137, 19312), (1207, 18192), (1516, 14484), (1704, 12886), (2274, 9656), (2414, 9096), (3032, 7242), (3408, 6443), (3621, 6064), (4548, 4828)]