21689160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2963}}^1$

素因数の和:3038

約数の個数: 64

約数和(自身を含む): 66156480

約数和(自身を除く): 44467320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2963, 3660, 5926, 7320, 8889, 11852, 14815, 17778, 23704, 29630, 35556, 44445, 59260, 71112, 88890, 118520, 177780, 180743, 355560, 361486, 542229, 722972, 903715, 1084458, 1445944, 1807430, 2168916, 2711145, 3614860, 4337832, 5422290, 7229720, 10844580, 21689160]

約数ペア:

[(1, 21689160), (2, 10844580), (3, 7229720), (4, 5422290), (5, 4337832), (6, 3614860), (8, 2711145), (10, 2168916), (12, 1807430), (15, 1445944), (20, 1084458), (24, 903715), (30, 722972), (40, 542229), (60, 361486), (61, 355560), (120, 180743), (122, 177780), (183, 118520), (244, 88890), (305, 71112), (366, 59260), (488, 44445), (610, 35556), (732, 29630), (915, 23704), (1220, 17778), (1464, 14815), (1830, 11852), (2440, 8889), (2963, 7320), (3660, 5926)]