21130155942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2137}}^1\times {\mathrm{5009}}^1$

素因数の和:7205

約数の個数: 64

約数和(自身を含む): 49358039040

約数和(自身を除く): 28227883098

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 2137, 4274, 5009, 6411, 10018, 12822, 14959, 15027, 29918, 30054, 35063, 44877, 70126, 89754, 100439, 105189, 200878, 210378, 235423, 301317, 470846, 602634, 703073, 706269, 1406146, 1412538, 1647961, 2109219, 3295922, 4218438, 4943883, 9887766, 10704233, 21408466, 32112699, 64225398, 74929631, 149859262, 224788893, 449577786, 503098951, 1006197902, 1509296853, 3018593706, 3521692657, 7043385314, 10565077971, 21130155942]

約数ペア:

[(1, 21130155942), (2, 10565077971), (3, 7043385314), (6, 3521692657), (7, 3018593706), (14, 1509296853), (21, 1006197902), (42, 503098951), (47, 449577786), (94, 224788893), (141, 149859262), (282, 74929631), (329, 64225398), (658, 32112699), (987, 21408466), (1974, 10704233), (2137, 9887766), (4274, 4943883), (5009, 4218438), (6411, 3295922), (10018, 2109219), (12822, 1647961), (14959, 1412538), (15027, 1406146), (29918, 706269), (30054, 703073), (35063, 602634), (44877, 470846), (70126, 301317), (89754, 235423), (100439, 210378), (105189, 200878)]