21651642

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 50080680

約数和(自身を除く): 28429038

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 173, 306, 346, 409, 519, 818, 1038, 1227, 1557, 2454, 2941, 3114, 3681, 5882, 6953, 7362, 8823, 13906, 17646, 20859, 26469, 41718, 52938, 62577, 70757, 125154, 141514, 212271, 424542, 636813, 1202869, 1273626, 2405738, 3608607, 7217214, 10825821, 21651642]

約数ペア:

[(1, 21651642), (2, 10825821), (3, 7217214), (6, 3608607), (9, 2405738), (17, 1273626), (18, 1202869), (34, 636813), (51, 424542), (102, 212271), (153, 141514), (173, 125154), (306, 70757), (346, 62577), (409, 52938), (519, 41718), (818, 26469), (1038, 20859), (1227, 17646), (1557, 13906), (2454, 8823), (2941, 7362), (3114, 6953), (3681, 5882)]