21195396

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 57788640

約数和(自身を除く): 36593244

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 59, 68, 102, 118, 153, 177, 204, 236, 306, 354, 531, 587, 612, 708, 1003, 1062, 1174, 1761, 2006, 2124, 2348, 3009, 3522, 4012, 5283, 6018, 7044, 9027, 9979, 10566, 12036, 18054, 19958, 21132, 29937, 34633, 36108, 39916, 59874, 69266, 89811, 103899, 119748, 138532, 179622, 207798, 311697, 359244, 415596, 588761, 623394, 1177522, 1246788, 1766283, 2355044, 3532566, 5298849, 7065132, 10597698, 21195396]

約数ペア:

[(1, 21195396), (2, 10597698), (3, 7065132), (4, 5298849), (6, 3532566), (9, 2355044), (12, 1766283), (17, 1246788), (18, 1177522), (34, 623394), (36, 588761), (51, 415596), (59, 359244), (68, 311697), (102, 207798), (118, 179622), (153, 138532), (177, 119748), (204, 103899), (236, 89811), (306, 69266), (354, 59874), (531, 39916), (587, 36108), (612, 34633), (708, 29937), (1003, 21132), (1062, 19958), (1174, 18054), (1761, 12036), (2006, 10566), (2124, 9979), (2348, 9027), (3009, 7044), (3522, 6018), (4012, 5283)]