21315270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9733}}^1$

素因数の和:9816

約数の個数: 32

約数和(自身を含む): 51862752

約数和(自身を除く): 30547482

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9733, 19466, 29199, 48665, 58398, 97330, 145995, 291990, 710509, 1421018, 2131527, 3552545, 4263054, 7105090, 10657635, 21315270]

約数ペア:

[(1, 21315270), (2, 10657635), (3, 7105090), (5, 4263054), (6, 3552545), (10, 2131527), (15, 1421018), (30, 710509), (73, 291990), (146, 145995), (219, 97330), (365, 58398), (438, 48665), (730, 29199), (1095, 19466), (2190, 9733)]