21653198

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 41245200

約数和(自身を除く): 19592002

約数列:

[1, 2, 7, 14, 19, 29, 38, 49, 58, 98, 133, 203, 266, 401, 406, 551, 802, 931, 1102, 1421, 1862, 2807, 2842, 3857, 5614, 7619, 7714, 11629, 15238, 19649, 23258, 26999, 39298, 53333, 53998, 81403, 106666, 162806, 220951, 373331, 441902, 569821, 746662, 1139642, 1546657, 3093314, 10826599, 21653198]

約数ペア:

[(1, 21653198), (2, 10826599), (7, 3093314), (14, 1546657), (19, 1139642), (29, 746662), (38, 569821), (49, 441902), (58, 373331), (98, 220951), (133, 162806), (203, 106666), (266, 81403), (401, 53998), (406, 53333), (551, 39298), (802, 26999), (931, 23258), (1102, 19649), (1421, 15238), (1862, 11629), (2807, 7714), (2842, 7619), (3857, 5614)]