21461610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 54411264

約数和(自身を除く): 32949654

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 47, 62, 93, 94, 141, 155, 186, 235, 282, 310, 465, 470, 491, 705, 930, 982, 1410, 1457, 1473, 2455, 2914, 2946, 4371, 4910, 7285, 7365, 8742, 14570, 14730, 15221, 21855, 23077, 30442, 43710, 45663, 46154, 69231, 76105, 91326, 115385, 138462, 152210, 228315, 230770, 346155, 456630, 692310, 715387, 1430774, 2146161, 3576935, 4292322, 7153870, 10730805, 21461610]

約数ペア:

[(1, 21461610), (2, 10730805), (3, 7153870), (5, 4292322), (6, 3576935), (10, 2146161), (15, 1430774), (30, 715387), (31, 692310), (47, 456630), (62, 346155), (93, 230770), (94, 228315), (141, 152210), (155, 138462), (186, 115385), (235, 91326), (282, 76105), (310, 69231), (465, 46154), (470, 45663), (491, 43710), (705, 30442), (930, 23077), (982, 21855), (1410, 15221), (1457, 14730), (1473, 14570), (2455, 8742), (2914, 7365), (2946, 7285), (4371, 4910)]