21592210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 41465520

約数和(自身を除く): 19873310

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 809, 1570, 1618, 2669, 4045, 5338, 8090, 13345, 13753, 26690, 27506, 68765, 127013, 137530, 254026, 635065, 1270130, 2159221, 4318442, 10796105, 21592210]

約数ペア:

[(1, 21592210), (2, 10796105), (5, 4318442), (10, 2159221), (17, 1270130), (34, 635065), (85, 254026), (157, 137530), (170, 127013), (314, 68765), (785, 27506), (809, 26690), (1570, 13753), (1618, 13345), (2669, 8090), (4045, 5338)]