21752710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 25940090

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 59, 70, 115, 118, 161, 229, 230, 295, 322, 413, 458, 590, 805, 826, 1145, 1357, 1603, 1610, 2065, 2290, 2714, 3206, 4130, 5267, 6785, 8015, 9499, 10534, 13511, 13570, 16030, 18998, 26335, 27022, 36869, 47495, 52670, 67555, 73738, 94577, 94990, 135110, 184345, 189154, 310753, 368690, 472885, 621506, 945770, 1553765, 2175271, 3107530, 4350542, 10876355, 21752710]

約数ペア:

[(1, 21752710), (2, 10876355), (5, 4350542), (7, 3107530), (10, 2175271), (14, 1553765), (23, 945770), (35, 621506), (46, 472885), (59, 368690), (70, 310753), (115, 189154), (118, 184345), (161, 135110), (229, 94990), (230, 94577), (295, 73738), (322, 67555), (413, 52670), (458, 47495), (590, 36869), (805, 27022), (826, 26335), (1145, 18998), (1357, 16030), (1603, 13570), (1610, 13511), (2065, 10534), (2290, 9499), (2714, 8015), (3206, 6785), (4130, 5267)]