21930675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 39664128

約数和(自身を除く): 17733453

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 83, 195, 249, 271, 325, 415, 813, 975, 1079, 1245, 1355, 2075, 3237, 3523, 4065, 5395, 6225, 6775, 10569, 16185, 17615, 20325, 22493, 26975, 52845, 67479, 80925, 88075, 112465, 264225, 292409, 337395, 562325, 877227, 1462045, 1686975, 4386135, 7310225, 21930675]

約数ペア:

[(1, 21930675), (3, 7310225), (5, 4386135), (13, 1686975), (15, 1462045), (25, 877227), (39, 562325), (65, 337395), (75, 292409), (83, 264225), (195, 112465), (249, 88075), (271, 80925), (325, 67479), (415, 52845), (813, 26975), (975, 22493), (1079, 20325), (1245, 17615), (1355, 16185), (2075, 10569), (3237, 6775), (3523, 6225), (4065, 5395)]