21307230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1142

約数の個数: 96

約数和(自身を含む): 65415168

約数和(自身を除く): 44107938

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1091, 1302, 1395, 1953, 2170, 2182, 2790, 3255, 3273, 3906, 5455, 6510, 6546, 7637, 9765, 9819, 10910, 15274, 16365, 19530, 19638, 22911, 32730, 33821, 38185, 45822, 49095, 67642, 68733, 76370, 98190, 101463, 114555, 137466, 169105, 202926, 229110, 236747, 304389, 338210, 343665, 473494, 507315, 608778, 687330, 710241, 1014630, 1183735, 1420482, 1521945, 2130723, 2367470, 3043890, 3551205, 4261446, 7102410, 10653615, 21307230]

約数ペア:

[(1, 21307230), (2, 10653615), (3, 7102410), (5, 4261446), (6, 3551205), (7, 3043890), (9, 2367470), (10, 2130723), (14, 1521945), (15, 1420482), (18, 1183735), (21, 1014630), (30, 710241), (31, 687330), (35, 608778), (42, 507315), (45, 473494), (62, 343665), (63, 338210), (70, 304389), (90, 236747), (93, 229110), (105, 202926), (126, 169105), (155, 137466), (186, 114555), (210, 101463), (217, 98190), (279, 76370), (310, 68733), (315, 67642), (434, 49095), (465, 45822), (558, 38185), (630, 33821), (651, 32730), (930, 22911), (1085, 19638), (1091, 19530), (1302, 16365), (1395, 15274), (1953, 10910), (2170, 9819), (2182, 9765), (2790, 7637), (3255, 6546), (3273, 6510), (3906, 5455)]