21415737

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 13052103

約数列:

[1, 3, 7, 21, 23, 69, 101, 161, 303, 439, 483, 707, 1317, 2121, 2323, 3073, 6969, 9219, 10097, 16261, 30291, 44339, 48783, 70679, 133017, 212037, 310373, 931119, 1019797, 3059391, 7138579, 21415737]

約数ペア:

[(1, 21415737), (3, 7138579), (7, 3059391), (21, 1019797), (23, 931119), (69, 310373), (101, 212037), (161, 133017), (303, 70679), (439, 48783), (483, 44339), (707, 30291), (1317, 16261), (2121, 10097), (2323, 9219), (3073, 6969)]