21052912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3011}}^1$

素因数の和:3061

約数の個数: 40

約数和(自身を含む): 44818560

約数和(自身を除く): 23765648

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3011, 3496, 6022, 6992, 12044, 24088, 48176, 57209, 69253, 114418, 138506, 228836, 277012, 457672, 554024, 915344, 1108048, 1315807, 2631614, 5263228, 10526456, 21052912]

約数ペア:

[(1, 21052912), (2, 10526456), (4, 5263228), (8, 2631614), (16, 1315807), (19, 1108048), (23, 915344), (38, 554024), (46, 457672), (76, 277012), (92, 228836), (152, 138506), (184, 114418), (304, 69253), (368, 57209), (437, 48176), (874, 24088), (1748, 12044), (3011, 6992), (3496, 6022)]