21131733

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 34154496

約数和(自身を除く): 13022763

約数列:

[1, 3, 7, 21, 23, 67, 69, 161, 201, 469, 483, 653, 1407, 1541, 1959, 4571, 4623, 10787, 13713, 15019, 32361, 43751, 45057, 105133, 131253, 306257, 315399, 918771, 1006273, 3018819, 7043911, 21131733]

約数ペア:

[(1, 21131733), (3, 7043911), (7, 3018819), (21, 1006273), (23, 918771), (67, 315399), (69, 306257), (161, 131253), (201, 105133), (469, 45057), (483, 43751), (653, 32361), (1407, 15019), (1541, 13713), (1959, 10787), (4571, 4623)]