21941888

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 46395720

約数和(自身を除く): 24453832

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 64, 74, 82, 113, 128, 148, 164, 226, 296, 328, 452, 592, 656, 904, 1184, 1312, 1517, 1808, 2368, 2624, 3034, 3616, 4181, 4633, 4736, 5248, 6068, 7232, 8362, 9266, 12136, 14464, 16724, 18532, 24272, 33448, 37064, 48544, 66896, 74128, 97088, 133792, 148256, 171421, 194176, 267584, 296512, 342842, 535168, 593024, 685684, 1371368, 2742736, 5485472, 10970944, 21941888]

約数ペア:

[(1, 21941888), (2, 10970944), (4, 5485472), (8, 2742736), (16, 1371368), (32, 685684), (37, 593024), (41, 535168), (64, 342842), (74, 296512), (82, 267584), (113, 194176), (128, 171421), (148, 148256), (164, 133792), (226, 97088), (296, 74128), (328, 66896), (452, 48544), (592, 37064), (656, 33448), (904, 24272), (1184, 18532), (1312, 16724), (1517, 14464), (1808, 12136), (2368, 9266), (2624, 8362), (3034, 7232), (3616, 6068), (4181, 5248), (4633, 4736)]