21551928

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 57273600

約数和(自身を除く): 35721672

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 151, 152, 228, 302, 313, 453, 456, 604, 626, 906, 939, 1208, 1252, 1812, 1878, 2504, 2869, 3624, 3756, 5738, 5947, 7512, 8607, 11476, 11894, 17214, 17841, 22952, 23788, 34428, 35682, 47263, 47576, 68856, 71364, 94526, 141789, 142728, 189052, 283578, 378104, 567156, 897997, 1134312, 1795994, 2693991, 3591988, 5387982, 7183976, 10775964, 21551928]

約数ペア:

[(1, 21551928), (2, 10775964), (3, 7183976), (4, 5387982), (6, 3591988), (8, 2693991), (12, 1795994), (19, 1134312), (24, 897997), (38, 567156), (57, 378104), (76, 283578), (114, 189052), (151, 142728), (152, 141789), (228, 94526), (302, 71364), (313, 68856), (453, 47576), (456, 47263), (604, 35682), (626, 34428), (906, 23788), (939, 22952), (1208, 17841), (1252, 17214), (1812, 11894), (1878, 11476), (2504, 8607), (2869, 7512), (3624, 5947), (3756, 5738)]