21946444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 44178400

約数和(自身を除く): 22231956

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 97, 194, 229, 247, 388, 458, 494, 916, 988, 1261, 1843, 2522, 2977, 3686, 4351, 5044, 5954, 7372, 8702, 11908, 17404, 22213, 23959, 44426, 47918, 56563, 88852, 95836, 113126, 226252, 288769, 422047, 577538, 844094, 1155076, 1688188, 5486611, 10973222, 21946444]

約数ペア:

[(1, 21946444), (2, 10973222), (4, 5486611), (13, 1688188), (19, 1155076), (26, 844094), (38, 577538), (52, 422047), (76, 288769), (97, 226252), (194, 113126), (229, 95836), (247, 88852), (388, 56563), (458, 47918), (494, 44426), (916, 23959), (988, 22213), (1261, 17404), (1843, 11908), (2522, 8702), (2977, 7372), (3686, 5954), (4351, 5044)]