21549996

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15349}}^1$

素因数の和:15375

約数の個数: 48

約数和(自身を含む): 60172000

約数和(自身を除く): 38622004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15349, 30698, 46047, 61396, 92094, 138141, 184188, 199537, 276282, 399074, 414423, 552564, 598611, 798148, 828846, 1197222, 1657692, 1795833, 2394444, 3591666, 5387499, 7183332, 10774998, 21549996]

約数ペア:

[(1, 21549996), (2, 10774998), (3, 7183332), (4, 5387499), (6, 3591666), (9, 2394444), (12, 1795833), (13, 1657692), (18, 1197222), (26, 828846), (27, 798148), (36, 598611), (39, 552564), (52, 414423), (54, 399074), (78, 276282), (108, 199537), (117, 184188), (156, 138141), (234, 92094), (351, 61396), (468, 46047), (702, 30698), (1404, 15349)]