21191848372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{23879}}^1$

素因数の和:24352

約数の個数: 48

約数和(自身を含む): 40631915520

約数和(自身を除く): 19440067148

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 421, 527, 842, 1054, 1684, 2108, 7157, 13051, 14314, 23879, 26102, 28628, 47758, 52204, 95516, 221867, 405943, 443734, 740249, 811886, 887468, 1480498, 1623772, 2960996, 10053059, 12584233, 20106118, 25168466, 40212236, 50336932, 170902003, 311644829, 341804006, 623289658, 683608012, 1246579316, 5297962093, 10595924186, 21191848372]

約数ペア:

[(1, 21191848372), (2, 10595924186), (4, 5297962093), (17, 1246579316), (31, 683608012), (34, 623289658), (62, 341804006), (68, 311644829), (124, 170902003), (421, 50336932), (527, 40212236), (842, 25168466), (1054, 20106118), (1684, 12584233), (2108, 10053059), (7157, 2960996), (13051, 1623772), (14314, 1480498), (23879, 887468), (26102, 811886), (28628, 740249), (47758, 443734), (52204, 405943), (95516, 221867)]