21091029360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{132949}}^1$

素因数の和:133626

約数の個数: 80

約数和(自身を含む): 65481597600

約数和(自身を除く): 44390568240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 1322, 1983, 2644, 3305, 3966, 5288, 6610, 7932, 9915, 10576, 13220, 15864, 19830, 26440, 31728, 39660, 52880, 79320, 132949, 158640, 265898, 398847, 531796, 664745, 797694, 1063592, 1329490, 1595388, 1994235, 2127184, 2658980, 3190776, 3988470, 5317960, 6381552, 7976940, 10635920, 15953880, 31907760, 87879289, 175758578, 263637867, 351517156, 439396445, 527275734, 703034312, 878792890, 1054551468, 1318189335, 1406068624, 1757585780, 2109102936, 2636378670, 3515171560, 4218205872, 5272757340, 7030343120, 10545514680, 21091029360]

約数ペア:

[(1, 21091029360), (2, 10545514680), (3, 7030343120), (4, 5272757340), (5, 4218205872), (6, 3515171560), (8, 2636378670), (10, 2109102936), (12, 1757585780), (15, 1406068624), (16, 1318189335), (20, 1054551468), (24, 878792890), (30, 703034312), (40, 527275734), (48, 439396445), (60, 351517156), (80, 263637867), (120, 175758578), (240, 87879289), (661, 31907760), (1322, 15953880), (1983, 10635920), (2644, 7976940), (3305, 6381552), (3966, 5317960), (5288, 3988470), (6610, 3190776), (7932, 2658980), (9915, 2127184), (10576, 1994235), (13220, 1595388), (15864, 1329490), (19830, 1063592), (26440, 797694), (31728, 664745), (39660, 531796), (52880, 398847), (79320, 265898), (132949, 158640)]