21594940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13009}}^1$

素因数の和:13101

約数の個数: 24

約数和(自身を含む): 45899280

約数和(自身を除く): 24304340

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 13009, 26018, 52036, 65045, 130090, 260180, 1079747, 2159494, 4318988, 5398735, 10797470, 21594940]

約数ペア:

[(1, 21594940), (2, 10797470), (4, 5398735), (5, 4318988), (10, 2159494), (20, 1079747), (83, 260180), (166, 130090), (332, 65045), (415, 52036), (830, 26018), (1660, 13009)]