21204912

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23251}}^1$

素因数の和:23281

約数の個数: 40

約数和(自身を含む): 57664960

約数和(自身を除く): 36460048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 23251, 46502, 69753, 93004, 139506, 186008, 279012, 372016, 441769, 558024, 883538, 1116048, 1325307, 1767076, 2650614, 3534152, 5301228, 7068304, 10602456, 21204912]

約数ペア:

[(1, 21204912), (2, 10602456), (3, 7068304), (4, 5301228), (6, 3534152), (8, 2650614), (12, 1767076), (16, 1325307), (19, 1116048), (24, 883538), (38, 558024), (48, 441769), (57, 372016), (76, 279012), (114, 186008), (152, 139506), (228, 93004), (304, 69753), (456, 46502), (912, 23251)]