21561870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 56899584

約数和(自身を除く): 35337714

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 223, 293, 330, 446, 586, 669, 879, 1115, 1338, 1465, 1758, 2230, 2453, 2930, 3223, 3345, 4395, 4906, 6446, 6690, 7359, 8790, 9669, 12265, 14718, 16115, 19338, 24530, 32230, 36795, 48345, 65339, 73590, 96690, 130678, 196017, 326695, 392034, 653390, 718729, 980085, 1437458, 1960170, 2156187, 3593645, 4312374, 7187290, 10780935, 21561870]

約数ペア:

[(1, 21561870), (2, 10780935), (3, 7187290), (5, 4312374), (6, 3593645), (10, 2156187), (11, 1960170), (15, 1437458), (22, 980085), (30, 718729), (33, 653390), (55, 392034), (66, 326695), (110, 196017), (165, 130678), (223, 96690), (293, 73590), (330, 65339), (446, 48345), (586, 36795), (669, 32230), (879, 24530), (1115, 19338), (1338, 16115), (1465, 14718), (1758, 12265), (2230, 9669), (2453, 8790), (2930, 7359), (3223, 6690), (3345, 6446), (4395, 4906)]