21347248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3539}}^1$

素因数の和:3589

約数の個数: 40

約数和(自身を含む): 46090800

約数和(自身を除く): 24743552

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3539, 6032, 7078, 14156, 28312, 46007, 56624, 92014, 102631, 184028, 205262, 368056, 410524, 736112, 821048, 1334203, 1642096, 2668406, 5336812, 10673624, 21347248]

約数ペア:

[(1, 21347248), (2, 10673624), (4, 5336812), (8, 2668406), (13, 1642096), (16, 1334203), (26, 821048), (29, 736112), (52, 410524), (58, 368056), (104, 205262), (116, 184028), (208, 102631), (232, 92014), (377, 56624), (464, 46007), (754, 28312), (1508, 14156), (3016, 7078), (3539, 6032)]