21588510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 32408034

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 61, 94, 122, 141, 183, 235, 251, 282, 305, 366, 470, 502, 610, 705, 753, 915, 1255, 1410, 1506, 1830, 2510, 2867, 3765, 5734, 7530, 8601, 11797, 14335, 15311, 17202, 23594, 28670, 30622, 35391, 43005, 45933, 58985, 70782, 76555, 86010, 91866, 117970, 153110, 176955, 229665, 353910, 459330, 719617, 1439234, 2158851, 3598085, 4317702, 7196170, 10794255, 21588510]

約数ペア:

[(1, 21588510), (2, 10794255), (3, 7196170), (5, 4317702), (6, 3598085), (10, 2158851), (15, 1439234), (30, 719617), (47, 459330), (61, 353910), (94, 229665), (122, 176955), (141, 153110), (183, 117970), (235, 91866), (251, 86010), (282, 76555), (305, 70782), (366, 58985), (470, 45933), (502, 43005), (610, 35391), (705, 30622), (753, 28670), (915, 23594), (1255, 17202), (1410, 15311), (1506, 14335), (1830, 11797), (2510, 8601), (2867, 7530), (3765, 5734)]