21116130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 58330368

約数和(自身を除く): 37214238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 193, 210, 386, 521, 579, 965, 1042, 1158, 1351, 1563, 1930, 2605, 2702, 2895, 3126, 3647, 4053, 5210, 5790, 6755, 7294, 7815, 8106, 10941, 13510, 15630, 18235, 20265, 21882, 36470, 40530, 54705, 100553, 109410, 201106, 301659, 502765, 603318, 703871, 1005530, 1407742, 1508295, 2111613, 3016590, 3519355, 4223226, 7038710, 10558065, 21116130]

約数ペア:

[(1, 21116130), (2, 10558065), (3, 7038710), (5, 4223226), (6, 3519355), (7, 3016590), (10, 2111613), (14, 1508295), (15, 1407742), (21, 1005530), (30, 703871), (35, 603318), (42, 502765), (70, 301659), (105, 201106), (193, 109410), (210, 100553), (386, 54705), (521, 40530), (579, 36470), (965, 21882), (1042, 20265), (1158, 18235), (1351, 15630), (1563, 13510), (1930, 10941), (2605, 8106), (2702, 7815), (2895, 7294), (3126, 6755), (3647, 5790), (4053, 5210)]