21698670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:562

約数の個数: 96

約数和(自身を含む): 62791200

約数和(自身を除く): 41092530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 58, 70, 87, 98, 105, 145, 147, 174, 203, 210, 245, 290, 294, 406, 435, 490, 509, 609, 735, 870, 1015, 1018, 1218, 1421, 1470, 1527, 2030, 2545, 2842, 3045, 3054, 3563, 4263, 5090, 6090, 7105, 7126, 7635, 8526, 10689, 14210, 14761, 15270, 17815, 21315, 21378, 24941, 29522, 35630, 42630, 44283, 49882, 53445, 73805, 74823, 88566, 103327, 106890, 124705, 147610, 149646, 206654, 221415, 249410, 309981, 374115, 442830, 516635, 619962, 723289, 748230, 1033270, 1446578, 1549905, 2169867, 3099810, 3616445, 4339734, 7232890, 10849335, 21698670]

約数ペア:

[(1, 21698670), (2, 10849335), (3, 7232890), (5, 4339734), (6, 3616445), (7, 3099810), (10, 2169867), (14, 1549905), (15, 1446578), (21, 1033270), (29, 748230), (30, 723289), (35, 619962), (42, 516635), (49, 442830), (58, 374115), (70, 309981), (87, 249410), (98, 221415), (105, 206654), (145, 149646), (147, 147610), (174, 124705), (203, 106890), (210, 103327), (245, 88566), (290, 74823), (294, 73805), (406, 53445), (435, 49882), (490, 44283), (509, 42630), (609, 35630), (735, 29522), (870, 24941), (1015, 21378), (1018, 21315), (1218, 17815), (1421, 15270), (1470, 14761), (1527, 14210), (2030, 10689), (2545, 8526), (2842, 7635), (3045, 7126), (3054, 7105), (3563, 6090), (4263, 5090)]