21569460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2971}}^1$

素因数の和:3005

約数の個数: 72

約数和(自身を含む): 66406368

約数和(自身を除く): 44836908

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2971, 3630, 5942, 7260, 8913, 11884, 14855, 17826, 29710, 32681, 35652, 44565, 59420, 65362, 89130, 98043, 130724, 163405, 178260, 196086, 326810, 359491, 392172, 490215, 653620, 718982, 980430, 1078473, 1437964, 1797455, 1960860, 2156946, 3594910, 4313892, 5392365, 7189820, 10784730, 21569460]

約数ペア:

[(1, 21569460), (2, 10784730), (3, 7189820), (4, 5392365), (5, 4313892), (6, 3594910), (10, 2156946), (11, 1960860), (12, 1797455), (15, 1437964), (20, 1078473), (22, 980430), (30, 718982), (33, 653620), (44, 490215), (55, 392172), (60, 359491), (66, 326810), (110, 196086), (121, 178260), (132, 163405), (165, 130724), (220, 98043), (242, 89130), (330, 65362), (363, 59420), (484, 44565), (605, 35652), (660, 32681), (726, 29710), (1210, 17826), (1452, 14855), (1815, 11884), (2420, 8913), (2971, 7260), (3630, 5942)]