21416800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1448

約数の個数: 72

約数和(自身を含む): 55074600

約数和(自身を除く): 33657800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1409, 1520, 1900, 2818, 3040, 3800, 5636, 7045, 7600, 11272, 14090, 15200, 22544, 26771, 28180, 35225, 45088, 53542, 56360, 70450, 107084, 112720, 133855, 140900, 214168, 225440, 267710, 281800, 428336, 535420, 563600, 669275, 856672, 1070840, 1127200, 1338550, 2141680, 2677100, 4283360, 5354200, 10708400, 21416800]

約数ペア:

[(1, 21416800), (2, 10708400), (4, 5354200), (5, 4283360), (8, 2677100), (10, 2141680), (16, 1338550), (19, 1127200), (20, 1070840), (25, 856672), (32, 669275), (38, 563600), (40, 535420), (50, 428336), (76, 281800), (80, 267710), (95, 225440), (100, 214168), (152, 140900), (160, 133855), (190, 112720), (200, 107084), (304, 70450), (380, 56360), (400, 53542), (475, 45088), (608, 35225), (760, 28180), (800, 26771), (950, 22544), (1409, 15200), (1520, 14090), (1900, 11272), (2818, 7600), (3040, 7045), (3800, 5636)]