21000921888

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{3586223}}^1$

素因数の和:3586297

約数の個数: 48

約数和(自身を含む): 56031163776

約数和(自身を除く): 35030241888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 5856, 3586223, 7172446, 10758669, 14344892, 21517338, 28689784, 43034676, 57379568, 86069352, 114759136, 172138704, 218759603, 344277408, 437519206, 656278809, 875038412, 1312557618, 1750076824, 2625115236, 3500153648, 5250230472, 7000307296, 10500460944, 21000921888]

約数ペア:

[(1, 21000921888), (2, 10500460944), (3, 7000307296), (4, 5250230472), (6, 3500153648), (8, 2625115236), (12, 1750076824), (16, 1312557618), (24, 875038412), (32, 656278809), (48, 437519206), (61, 344277408), (96, 218759603), (122, 172138704), (183, 114759136), (244, 86069352), (366, 57379568), (488, 43034676), (732, 28689784), (976, 21517338), (1464, 14344892), (1952, 10758669), (2928, 7172446), (5856, 3586223)]