21631454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 15491170

約数列:

[1, 2, 13, 23, 26, 46, 61, 122, 299, 593, 598, 793, 1186, 1403, 1586, 2806, 7709, 13639, 15418, 18239, 27278, 36173, 36478, 72346, 177307, 354614, 470249, 831979, 940498, 1663958, 10815727, 21631454]

約数ペア:

[(1, 21631454), (2, 10815727), (13, 1663958), (23, 940498), (26, 831979), (46, 470249), (61, 354614), (122, 177307), (299, 72346), (593, 36478), (598, 36173), (793, 27278), (1186, 18239), (1403, 15418), (1586, 13639), (2806, 7709)]