21743358

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5689}}^1$

素因数の和:5721

約数の個数: 48

約数和(自身を含む): 54487440

約数和(自身を除く): 32744082

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5689, 11378, 17067, 34134, 39823, 73957, 79646, 119469, 147914, 221871, 238938, 278761, 443742, 517699, 557522, 836283, 1035398, 1553097, 1672566, 3106194, 3623893, 7247786, 10871679, 21743358]

約数ペア:

[(1, 21743358), (2, 10871679), (3, 7247786), (6, 3623893), (7, 3106194), (13, 1672566), (14, 1553097), (21, 1035398), (26, 836283), (39, 557522), (42, 517699), (49, 443742), (78, 278761), (91, 238938), (98, 221871), (147, 147914), (182, 119469), (273, 79646), (294, 73957), (546, 39823), (637, 34134), (1274, 17067), (1911, 11378), (3822, 5689)]