21563366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 37670400

約数和(自身を除く): 16107034

約数列:

[1, 2, 11, 19, 22, 38, 79, 158, 209, 418, 653, 869, 1306, 1501, 1738, 3002, 7183, 12407, 14366, 16511, 24814, 33022, 51587, 103174, 136477, 272954, 567457, 980153, 1134914, 1960306, 10781683, 21563366]

約数ペア:

[(1, 21563366), (2, 10781683), (11, 1960306), (19, 1134914), (22, 980153), (38, 567457), (79, 272954), (158, 136477), (209, 103174), (418, 51587), (653, 33022), (869, 24814), (1306, 16511), (1501, 14366), (1738, 12407), (3002, 7183)]