21195060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5791}}^1$

素因数の和:5864

約数の個数: 48

約数和(自身を含む): 60329472

約数和(自身を除く): 39134412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5791, 11582, 17373, 23164, 28955, 34746, 57910, 69492, 86865, 115820, 173730, 347460, 353251, 706502, 1059753, 1413004, 1766255, 2119506, 3532510, 4239012, 5298765, 7065020, 10597530, 21195060]

約数ペア:

[(1, 21195060), (2, 10597530), (3, 7065020), (4, 5298765), (5, 4239012), (6, 3532510), (10, 2119506), (12, 1766255), (15, 1413004), (20, 1059753), (30, 706502), (60, 353251), (61, 347460), (122, 173730), (183, 115820), (244, 86865), (305, 69492), (366, 57910), (610, 34746), (732, 28955), (915, 23164), (1220, 17373), (1830, 11582), (3660, 5791)]