21193440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:744

約数の個数: 96

約数和(自身を含む): 67858560

約数和(自身を除く): 46665120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 67, 80, 96, 120, 134, 160, 201, 240, 268, 335, 402, 480, 536, 659, 670, 804, 1005, 1072, 1318, 1340, 1608, 1977, 2010, 2144, 2636, 2680, 3216, 3295, 3954, 4020, 5272, 5360, 6432, 6590, 7908, 8040, 9885, 10544, 10720, 13180, 15816, 16080, 19770, 21088, 26360, 31632, 32160, 39540, 44153, 52720, 63264, 79080, 88306, 105440, 132459, 158160, 176612, 220765, 264918, 316320, 353224, 441530, 529836, 662295, 706448, 883060, 1059672, 1324590, 1412896, 1766120, 2119344, 2649180, 3532240, 4238688, 5298360, 7064480, 10596720, 21193440]

約数ペア:

[(1, 21193440), (2, 10596720), (3, 7064480), (4, 5298360), (5, 4238688), (6, 3532240), (8, 2649180), (10, 2119344), (12, 1766120), (15, 1412896), (16, 1324590), (20, 1059672), (24, 883060), (30, 706448), (32, 662295), (40, 529836), (48, 441530), (60, 353224), (67, 316320), (80, 264918), (96, 220765), (120, 176612), (134, 158160), (160, 132459), (201, 105440), (240, 88306), (268, 79080), (335, 63264), (402, 52720), (480, 44153), (536, 39540), (659, 32160), (670, 31632), (804, 26360), (1005, 21088), (1072, 19770), (1318, 16080), (1340, 15816), (1608, 13180), (1977, 10720), (2010, 10544), (2144, 9885), (2636, 8040), (2680, 7908), (3216, 6590), (3295, 6432), (3954, 5360), (4020, 5272)]