21444540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1491

約数の個数: 96

約数和(自身を含む): 68113920

約数和(自身を除く): 46669380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1447, 1482, 2470, 2894, 2964, 3705, 4341, 4940, 5788, 7235, 7410, 8682, 14470, 14820, 17364, 18811, 21705, 27493, 28940, 37622, 43410, 54986, 56433, 75244, 82479, 86820, 94055, 109972, 112866, 137465, 164958, 188110, 225732, 274930, 282165, 329916, 357409, 376220, 412395, 549860, 564330, 714818, 824790, 1072227, 1128660, 1429636, 1649580, 1787045, 2144454, 3574090, 4288908, 5361135, 7148180, 10722270, 21444540]

約数ペア:

[(1, 21444540), (2, 10722270), (3, 7148180), (4, 5361135), (5, 4288908), (6, 3574090), (10, 2144454), (12, 1787045), (13, 1649580), (15, 1429636), (19, 1128660), (20, 1072227), (26, 824790), (30, 714818), (38, 564330), (39, 549860), (52, 412395), (57, 376220), (60, 357409), (65, 329916), (76, 282165), (78, 274930), (95, 225732), (114, 188110), (130, 164958), (156, 137465), (190, 112866), (195, 109972), (228, 94055), (247, 86820), (260, 82479), (285, 75244), (380, 56433), (390, 54986), (494, 43410), (570, 37622), (741, 28940), (780, 27493), (988, 21705), (1140, 18811), (1235, 17364), (1447, 14820), (1482, 14470), (2470, 8682), (2894, 7410), (2964, 7235), (3705, 5788), (4341, 4940)]