21214740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15373}}^1$

素因数の和:15408

約数の個数: 48

約数和(自身を含む): 61987968

約数和(自身を除く): 40773228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15373, 30746, 46119, 61492, 76865, 92238, 153730, 184476, 230595, 307460, 353579, 461190, 707158, 922380, 1060737, 1414316, 1767895, 2121474, 3535790, 4242948, 5303685, 7071580, 10607370, 21214740]

約数ペア:

[(1, 21214740), (2, 10607370), (3, 7071580), (4, 5303685), (5, 4242948), (6, 3535790), (10, 2121474), (12, 1767895), (15, 1414316), (20, 1060737), (23, 922380), (30, 707158), (46, 461190), (60, 353579), (69, 307460), (92, 230595), (115, 184476), (138, 153730), (230, 92238), (276, 76865), (345, 61492), (460, 46119), (690, 30746), (1380, 15373)]