217516908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2589487}}^1$

素因数の和:2589501

約数の個数: 24

約数和(自身を含む): 580045312

約数和(自身を除く): 362528404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2589487, 5178974, 7768461, 10357948, 15536922, 18126409, 31073844, 36252818, 54379227, 72505636, 108758454, 217516908]

約数ペア:

[(1, 217516908), (2, 108758454), (3, 72505636), (4, 54379227), (6, 36252818), (7, 31073844), (12, 18126409), (14, 15536922), (21, 10357948), (28, 7768461), (42, 5178974), (84, 2589487)]