21729434

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 37034496

約数和(自身を除く): 15305062

約数列:

[1, 2, 17, 23, 34, 37, 46, 74, 391, 629, 751, 782, 851, 1258, 1502, 1702, 12767, 14467, 17273, 25534, 27787, 28934, 34546, 55574, 293641, 472379, 587282, 639101, 944758, 1278202, 10864717, 21729434]

約数ペア:

[(1, 21729434), (2, 10864717), (17, 1278202), (23, 944758), (34, 639101), (37, 587282), (46, 472379), (74, 293641), (391, 55574), (629, 34546), (751, 28934), (782, 27787), (851, 25534), (1258, 17273), (1502, 14467), (1702, 12767)]