21100950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3607}}^1$

素因数の和:3638

約数の個数: 72

約数和(自身を含む): 61069008

約数和(自身を除く): 39968058

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3607, 5850, 7214, 10821, 18035, 21642, 32463, 36070, 46891, 54105, 64926, 90175, 93782, 108210, 140673, 162315, 180350, 234455, 270525, 281346, 324630, 422019, 468910, 541050, 703365, 811575, 844038, 1172275, 1406730, 1623150, 2110095, 2344550, 3516825, 4220190, 7033650, 10550475, 21100950]

約数ペア:

[(1, 21100950), (2, 10550475), (3, 7033650), (5, 4220190), (6, 3516825), (9, 2344550), (10, 2110095), (13, 1623150), (15, 1406730), (18, 1172275), (25, 844038), (26, 811575), (30, 703365), (39, 541050), (45, 468910), (50, 422019), (65, 324630), (75, 281346), (78, 270525), (90, 234455), (117, 180350), (130, 162315), (150, 140673), (195, 108210), (225, 93782), (234, 90175), (325, 64926), (390, 54105), (450, 46891), (585, 36070), (650, 32463), (975, 21642), (1170, 18035), (1950, 10821), (2925, 7214), (3607, 5850)]