21419052

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 52600800

約数和(自身を除く): 31181748

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 61, 87, 116, 122, 174, 183, 244, 348, 366, 732, 1009, 1769, 2018, 3027, 3538, 4036, 5307, 6054, 7076, 10614, 12108, 21228, 29261, 58522, 61549, 87783, 117044, 123098, 175566, 184647, 246196, 351132, 369294, 738588, 1784921, 3569842, 5354763, 7139684, 10709526, 21419052]

約数ペア:

[(1, 21419052), (2, 10709526), (3, 7139684), (4, 5354763), (6, 3569842), (12, 1784921), (29, 738588), (58, 369294), (61, 351132), (87, 246196), (116, 184647), (122, 175566), (174, 123098), (183, 117044), (244, 87783), (348, 61549), (366, 58522), (732, 29261), (1009, 21228), (1769, 12108), (2018, 10614), (3027, 7076), (3538, 6054), (4036, 5307)]