21997650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2767}}^1$

素因数の和:2835

約数の個数: 48

約数和(自身を含む): 55603584

約数和(自身を除く): 33605934

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2650, 2767, 3975, 5534, 7950, 8301, 13835, 16602, 27670, 41505, 69175, 83010, 138350, 146651, 207525, 293302, 415050, 439953, 733255, 879906, 1466510, 2199765, 3666275, 4399530, 7332550, 10998825, 21997650]

約数ペア:

[(1, 21997650), (2, 10998825), (3, 7332550), (5, 4399530), (6, 3666275), (10, 2199765), (15, 1466510), (25, 879906), (30, 733255), (50, 439953), (53, 415050), (75, 293302), (106, 207525), (150, 146651), (159, 138350), (265, 83010), (318, 69175), (530, 41505), (795, 27670), (1325, 16602), (1590, 13835), (2650, 8301), (2767, 7950), (3975, 5534)]