21200904

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17321}}^1$

素因数の和:17350

約数の個数: 48

約数和(自身を含む): 60800220

約数和(自身を除く): 39599316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17321, 34642, 51963, 69284, 103926, 138568, 155889, 207852, 294457, 311778, 415704, 588914, 623556, 883371, 1177828, 1247112, 1766742, 2355656, 2650113, 3533484, 5300226, 7066968, 10600452, 21200904]

約数ペア:

[(1, 21200904), (2, 10600452), (3, 7066968), (4, 5300226), (6, 3533484), (8, 2650113), (9, 2355656), (12, 1766742), (17, 1247112), (18, 1177828), (24, 883371), (34, 623556), (36, 588914), (51, 415704), (68, 311778), (72, 294457), (102, 207852), (136, 155889), (153, 138568), (204, 103926), (306, 69284), (408, 51963), (612, 34642), (1224, 17321)]