21637902

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25219}}^1$

素因数の和:25248

約数の個数: 32

約数和(自身を含む): 50843520

約数和(自身を除く): 29205618

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 25219, 50438, 75657, 151314, 277409, 327847, 554818, 655694, 832227, 983541, 1664454, 1967082, 3606317, 7212634, 10818951, 21637902]

約数ペア:

[(1, 21637902), (2, 10818951), (3, 7212634), (6, 3606317), (11, 1967082), (13, 1664454), (22, 983541), (26, 832227), (33, 655694), (39, 554818), (66, 327847), (78, 277409), (143, 151314), (286, 75657), (429, 50438), (858, 25219)]