21697488

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1693}}^1$

素因数の和:1796

約数の個数: 60

約数和(自身を含む): 61441380

約数和(自身を除く): 39743892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 1693, 2136, 3204, 3386, 4272, 5079, 6408, 6772, 10158, 12816, 13544, 15237, 20316, 27088, 30474, 40632, 60948, 81264, 121896, 150677, 243792, 301354, 452031, 602708, 904062, 1205416, 1356093, 1808124, 2410832, 2712186, 3616248, 5424372, 7232496, 10848744, 21697488]

約数ペア:

[(1, 21697488), (2, 10848744), (3, 7232496), (4, 5424372), (6, 3616248), (8, 2712186), (9, 2410832), (12, 1808124), (16, 1356093), (18, 1205416), (24, 904062), (36, 602708), (48, 452031), (72, 301354), (89, 243792), (144, 150677), (178, 121896), (267, 81264), (356, 60948), (534, 40632), (712, 30474), (801, 27088), (1068, 20316), (1424, 15237), (1602, 13544), (1693, 12816), (2136, 10158), (3204, 6772), (3386, 6408), (4272, 5079)]