2021421380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{2381}}^1$

素因数の和:2645

約数の個数: 96

約数和(自身を含む): 4926966912

約数和(自身を除く): 2905545532

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 227, 340, 374, 454, 748, 908, 935, 1135, 1870, 2270, 2381, 2497, 3740, 3859, 4540, 4762, 4994, 7718, 9524, 9988, 11905, 12485, 15436, 19295, 23810, 24970, 26191, 38590, 40477, 42449, 47620, 49940, 52382, 77180, 80954, 84898, 104764, 130955, 161908, 169796, 202385, 212245, 261910, 404770, 424490, 445247, 523820, 540487, 809540, 848980, 890494, 1080974, 1780988, 2161948, 2226235, 2702435, 4452470, 5404870, 5945357, 8904940, 9188279, 10809740, 11890714, 18376558, 23781428, 29726785, 36753116, 45941395, 59453570, 91882790, 101071069, 118907140, 183765580, 202142138, 404284276, 505355345, 1010710690, 2021421380]

約数ペア:

[(1, 2021421380), (2, 1010710690), (4, 505355345), (5, 404284276), (10, 202142138), (11, 183765580), (17, 118907140), (20, 101071069), (22, 91882790), (34, 59453570), (44, 45941395), (55, 36753116), (68, 29726785), (85, 23781428), (110, 18376558), (170, 11890714), (187, 10809740), (220, 9188279), (227, 8904940), (340, 5945357), (374, 5404870), (454, 4452470), (748, 2702435), (908, 2226235), (935, 2161948), (1135, 1780988), (1870, 1080974), (2270, 890494), (2381, 848980), (2497, 809540), (3740, 540487), (3859, 523820), (4540, 445247), (4762, 424490), (4994, 404770), (7718, 261910), (9524, 212245), (9988, 202385), (11905, 169796), (12485, 161908), (15436, 130955), (19295, 104764), (23810, 84898), (24970, 80954), (26191, 77180), (38590, 52382), (40477, 49940), (42449, 47620)]