21114690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 53747712

約数和(自身を除く): 32633022

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 71, 115, 138, 142, 213, 230, 345, 355, 426, 431, 690, 710, 862, 1065, 1293, 1633, 2130, 2155, 2586, 3266, 4310, 4899, 6465, 8165, 9798, 9913, 12930, 16330, 19826, 24495, 29739, 30601, 48990, 49565, 59478, 61202, 91803, 99130, 148695, 153005, 183606, 297390, 306010, 459015, 703823, 918030, 1407646, 2111469, 3519115, 4222938, 7038230, 10557345, 21114690]

約数ペア:

[(1, 21114690), (2, 10557345), (3, 7038230), (5, 4222938), (6, 3519115), (10, 2111469), (15, 1407646), (23, 918030), (30, 703823), (46, 459015), (69, 306010), (71, 297390), (115, 183606), (138, 153005), (142, 148695), (213, 99130), (230, 91803), (345, 61202), (355, 59478), (426, 49565), (431, 48990), (690, 30601), (710, 29739), (862, 24495), (1065, 19826), (1293, 16330), (1633, 12930), (2130, 9913), (2155, 9798), (2586, 8165), (3266, 6465), (4310, 4899)]