21916652240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{39136879}}^1$

素因数の和:39136899

約数の個数: 40

約数和(自身を含む): 58235677440

約数和(自身を除く): 36319025200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 39136879, 78273758, 156547516, 195684395, 273958153, 313095032, 391368790, 547916306, 626190064, 782737580, 1095832612, 1369790765, 1565475160, 2191665224, 2739581530, 3130950320, 4383330448, 5479163060, 10958326120, 21916652240]

約数ペア:

[(1, 21916652240), (2, 10958326120), (4, 5479163060), (5, 4383330448), (7, 3130950320), (8, 2739581530), (10, 2191665224), (14, 1565475160), (16, 1369790765), (20, 1095832612), (28, 782737580), (35, 626190064), (40, 547916306), (56, 391368790), (70, 313095032), (80, 273958153), (112, 195684395), (140, 156547516), (280, 78273758), (560, 39136879)]