21817386

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 27977814

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 151, 207, 302, 349, 414, 453, 698, 906, 1047, 1359, 2094, 2718, 3141, 3473, 6282, 6946, 8027, 10419, 16054, 20838, 24081, 31257, 48162, 52699, 62514, 72243, 105398, 144486, 158097, 316194, 474291, 948582, 1212077, 2424154, 3636231, 7272462, 10908693, 21817386]

約数ペア:

[(1, 21817386), (2, 10908693), (3, 7272462), (6, 3636231), (9, 2424154), (18, 1212077), (23, 948582), (46, 474291), (69, 316194), (138, 158097), (151, 144486), (207, 105398), (302, 72243), (349, 62514), (414, 52699), (453, 48162), (698, 31257), (906, 24081), (1047, 20838), (1359, 16054), (2094, 10419), (2718, 8027), (3141, 6946), (3473, 6282)]