21402225215

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1\times {\mathrm{7541}}^1$

素因数の和:8303

約数の個数: 32

約数和(自身を含む): 29627389440

約数和(自身を除く): 8225164225

約数列:

[1, 5, 7, 35, 131, 619, 655, 917, 3095, 4333, 4585, 7541, 21665, 37705, 52787, 81089, 263935, 405445, 567623, 987871, 2838115, 4667879, 4939355, 6915097, 23339395, 32675153, 34575485, 163375765, 611492149, 3057460745, 4280445043, 21402225215]

約数ペア:

[(1, 21402225215), (5, 4280445043), (7, 3057460745), (35, 611492149), (131, 163375765), (619, 34575485), (655, 32675153), (917, 23339395), (3095, 6915097), (4333, 4939355), (4585, 4667879), (7541, 2838115), (21665, 987871), (37705, 567623), (52787, 405445), (81089, 263935)]