21798894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29004306

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 58, 69, 78, 87, 138, 174, 299, 377, 419, 598, 667, 754, 838, 897, 1131, 1257, 1334, 1794, 2001, 2262, 2514, 4002, 5447, 8671, 9637, 10894, 12151, 16341, 17342, 19274, 24302, 26013, 28911, 32682, 36453, 52026, 57822, 72906, 125281, 157963, 250562, 279473, 315926, 375843, 473889, 558946, 751686, 838419, 947778, 1676838, 3633149, 7266298, 10899447, 21798894]

約数ペア:

[(1, 21798894), (2, 10899447), (3, 7266298), (6, 3633149), (13, 1676838), (23, 947778), (26, 838419), (29, 751686), (39, 558946), (46, 473889), (58, 375843), (69, 315926), (78, 279473), (87, 250562), (138, 157963), (174, 125281), (299, 72906), (377, 57822), (419, 52026), (598, 36453), (667, 32682), (754, 28911), (838, 26013), (897, 24302), (1131, 19274), (1257, 17342), (1334, 16341), (1794, 12151), (2001, 10894), (2262, 9637), (2514, 8671), (4002, 5447)]