21550230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 61248096

約数和(自身を除く): 39697866

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 113, 117, 130, 163, 195, 226, 234, 326, 339, 390, 489, 565, 585, 678, 815, 978, 1017, 1130, 1170, 1467, 1469, 1630, 1695, 2034, 2119, 2445, 2934, 2938, 3390, 4238, 4407, 4890, 5085, 6357, 7335, 7345, 8814, 10170, 10595, 12714, 13221, 14670, 14690, 18419, 19071, 21190, 22035, 26442, 31785, 36838, 38142, 44070, 55257, 63570, 66105, 92095, 95355, 110514, 132210, 165771, 184190, 190710, 239447, 276285, 331542, 478894, 552570, 718341, 828855, 1197235, 1436682, 1657710, 2155023, 2394470, 3591705, 4310046, 7183410, 10775115, 21550230]

約数ペア:

[(1, 21550230), (2, 10775115), (3, 7183410), (5, 4310046), (6, 3591705), (9, 2394470), (10, 2155023), (13, 1657710), (15, 1436682), (18, 1197235), (26, 828855), (30, 718341), (39, 552570), (45, 478894), (65, 331542), (78, 276285), (90, 239447), (113, 190710), (117, 184190), (130, 165771), (163, 132210), (195, 110514), (226, 95355), (234, 92095), (326, 66105), (339, 63570), (390, 55257), (489, 44070), (565, 38142), (585, 36838), (678, 31785), (815, 26442), (978, 22035), (1017, 21190), (1130, 19071), (1170, 18419), (1467, 14690), (1469, 14670), (1630, 13221), (1695, 12714), (2034, 10595), (2119, 10170), (2445, 8814), (2934, 7345), (2938, 7335), (3390, 6357), (4238, 5085), (4407, 4890)]