21291011328

素因数分解:

$2^8\times 3^1\times {\mathrm{27722671}}^1$

素因数の和:27722690

約数の個数: 36

約数和(自身を含む): 56665141568

約数和(自身を除く): 35374130240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 27722671, 55445342, 83168013, 110890684, 166336026, 221781368, 332672052, 443562736, 665344104, 887125472, 1330688208, 1774250944, 2661376416, 3548501888, 5322752832, 7097003776, 10645505664, 21291011328]

約数ペア:

[(1, 21291011328), (2, 10645505664), (3, 7097003776), (4, 5322752832), (6, 3548501888), (8, 2661376416), (12, 1774250944), (16, 1330688208), (24, 887125472), (32, 665344104), (48, 443562736), (64, 332672052), (96, 221781368), (128, 166336026), (192, 110890684), (256, 83168013), (384, 55445342), (768, 27722671)]