21533070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55213}}^1$

素因数の和:55236

約数の個数: 32

約数和(自身を含む): 55655712

約数和(自身を除く): 34122642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55213, 110426, 165639, 276065, 331278, 552130, 717769, 828195, 1435538, 1656390, 2153307, 3588845, 4306614, 7177690, 10766535, 21533070]

約数ペア:

[(1, 21533070), (2, 10766535), (3, 7177690), (5, 4306614), (6, 3588845), (10, 2153307), (13, 1656390), (15, 1435538), (26, 828195), (30, 717769), (39, 552130), (65, 331278), (78, 276065), (130, 165639), (195, 110426), (390, 55213)]