2021870620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21523}}^1$

素因数の和:21611

約数の個数: 96

約数和(自身を含む): 5380655616

約数和(自身を除く): 3358784996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 122, 140, 154, 220, 244, 305, 308, 385, 427, 610, 671, 770, 854, 1220, 1342, 1540, 1708, 2135, 2684, 3355, 4270, 4697, 6710, 8540, 9394, 13420, 18788, 21523, 23485, 43046, 46970, 86092, 93940, 107615, 150661, 215230, 236753, 301322, 430460, 473506, 602644, 753305, 947012, 1183765, 1312903, 1506610, 1657271, 2367530, 2625806, 3013220, 3314542, 4735060, 5251612, 6564515, 6629084, 8286355, 9190321, 13129030, 14441933, 16572710, 18380642, 26258060, 28883866, 33145420, 36761284, 45951605, 57767732, 72209665, 91903210, 101093531, 144419330, 183806420, 202187062, 288838660, 404374124, 505467655, 1010935310, 2021870620]

約数ペア:

[(1, 2021870620), (2, 1010935310), (4, 505467655), (5, 404374124), (7, 288838660), (10, 202187062), (11, 183806420), (14, 144419330), (20, 101093531), (22, 91903210), (28, 72209665), (35, 57767732), (44, 45951605), (55, 36761284), (61, 33145420), (70, 28883866), (77, 26258060), (110, 18380642), (122, 16572710), (140, 14441933), (154, 13129030), (220, 9190321), (244, 8286355), (305, 6629084), (308, 6564515), (385, 5251612), (427, 4735060), (610, 3314542), (671, 3013220), (770, 2625806), (854, 2367530), (1220, 1657271), (1342, 1506610), (1540, 1312903), (1708, 1183765), (2135, 947012), (2684, 753305), (3355, 602644), (4270, 473506), (4697, 430460), (6710, 301322), (8540, 236753), (9394, 215230), (13420, 150661), (18788, 107615), (21523, 93940), (23485, 86092), (43046, 46970)]