21490465679

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{5309}}^1$

素因数の和:5567

約数の個数: 32

約数和(自身を含む): 24162624000

約数和(自身を除く): 2672158321

約数列:

[1, 19, 23, 59, 157, 437, 1121, 1357, 2983, 3611, 5309, 9263, 25783, 68609, 100871, 122107, 175997, 213049, 313231, 833513, 2320033, 4047931, 5951389, 7204313, 15836747, 19170799, 49177267, 136881947, 364245181, 934368073, 1131077141, 21490465679]

約数ペア:

[(1, 21490465679), (19, 1131077141), (23, 934368073), (59, 364245181), (157, 136881947), (437, 49177267), (1121, 19170799), (1357, 15836747), (2983, 7204313), (3611, 5951389), (5309, 4047931), (9263, 2320033), (25783, 833513), (68609, 313231), (100871, 213049), (122107, 175997)]