21342570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 32653974

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 53, 62, 93, 106, 155, 159, 186, 265, 310, 318, 433, 465, 530, 795, 866, 930, 1299, 1590, 1643, 2165, 2598, 3286, 4330, 4929, 6495, 8215, 9858, 12990, 13423, 16430, 22949, 24645, 26846, 40269, 45898, 49290, 67115, 68847, 80538, 114745, 134230, 137694, 201345, 229490, 344235, 402690, 688470, 711419, 1422838, 2134257, 3557095, 4268514, 7114190, 10671285, 21342570]

約数ペア:

[(1, 21342570), (2, 10671285), (3, 7114190), (5, 4268514), (6, 3557095), (10, 2134257), (15, 1422838), (30, 711419), (31, 688470), (53, 402690), (62, 344235), (93, 229490), (106, 201345), (155, 137694), (159, 134230), (186, 114745), (265, 80538), (310, 68847), (318, 67115), (433, 49290), (465, 45898), (530, 40269), (795, 26846), (866, 24645), (930, 22949), (1299, 16430), (1590, 13423), (1643, 12990), (2165, 9858), (2598, 8215), (3286, 6495), (4330, 4929)]