21359910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 60715008

約数和(自身を除く): 39355098

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 169, 195, 286, 330, 338, 383, 390, 429, 507, 715, 766, 845, 858, 1014, 1149, 1430, 1690, 1859, 1915, 2145, 2298, 2535, 3718, 3830, 4213, 4290, 4979, 5070, 5577, 5745, 8426, 9295, 9958, 11154, 11490, 12639, 14937, 18590, 21065, 24895, 25278, 27885, 29874, 42130, 49790, 54769, 55770, 63195, 64727, 74685, 109538, 126390, 129454, 149370, 164307, 194181, 273845, 323635, 328614, 388362, 547690, 647270, 711997, 821535, 970905, 1423994, 1643070, 1941810, 2135991, 3559985, 4271982, 7119970, 10679955, 21359910]

約数ペア:

[(1, 21359910), (2, 10679955), (3, 7119970), (5, 4271982), (6, 3559985), (10, 2135991), (11, 1941810), (13, 1643070), (15, 1423994), (22, 970905), (26, 821535), (30, 711997), (33, 647270), (39, 547690), (55, 388362), (65, 328614), (66, 323635), (78, 273845), (110, 194181), (130, 164307), (143, 149370), (165, 129454), (169, 126390), (195, 109538), (286, 74685), (330, 64727), (338, 63195), (383, 55770), (390, 54769), (429, 49790), (507, 42130), (715, 29874), (766, 27885), (845, 25278), (858, 24895), (1014, 21065), (1149, 18590), (1430, 14937), (1690, 12639), (1859, 11490), (1915, 11154), (2145, 9958), (2298, 9295), (2535, 8426), (3718, 5745), (3830, 5577), (4213, 5070), (4290, 4979)]