21469580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4243}}^1$

素因数の和:4286

約数の個数: 48

約数和(自身を含む): 51335424

約数和(自身を除く): 29865844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 4243, 5060, 8486, 16972, 21215, 42430, 46673, 84860, 93346, 97589, 186692, 195178, 233365, 390356, 466730, 487945, 933460, 975890, 1073479, 1951780, 2146958, 4293916, 5367395, 10734790, 21469580]

約数ペア:

[(1, 21469580), (2, 10734790), (4, 5367395), (5, 4293916), (10, 2146958), (11, 1951780), (20, 1073479), (22, 975890), (23, 933460), (44, 487945), (46, 466730), (55, 390356), (92, 233365), (110, 195178), (115, 186692), (220, 97589), (230, 93346), (253, 84860), (460, 46673), (506, 42430), (1012, 21215), (1265, 16972), (2530, 8486), (4243, 5060)]