21619442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 36877680

約数和(自身を除く): 15258238

約数列:

[1, 2, 13, 26, 29, 53, 58, 106, 377, 541, 689, 754, 1082, 1378, 1537, 3074, 7033, 14066, 15689, 19981, 28673, 31378, 39962, 57346, 203957, 372749, 407914, 745498, 831517, 1663034, 10809721, 21619442]

約数ペア:

[(1, 21619442), (2, 10809721), (13, 1663034), (26, 831517), (29, 745498), (53, 407914), (58, 372749), (106, 203957), (377, 57346), (541, 39962), (689, 31378), (754, 28673), (1082, 19981), (1378, 15689), (1537, 14066), (3074, 7033)]