21104096

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 45292464

約数和(自身を除く): 24188368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 97, 104, 194, 208, 388, 416, 523, 776, 1046, 1261, 1552, 2092, 2522, 3104, 4184, 5044, 6799, 8368, 10088, 13598, 16736, 20176, 27196, 40352, 50731, 54392, 101462, 108784, 202924, 217568, 405848, 659503, 811696, 1319006, 1623392, 2638012, 5276024, 10552048, 21104096]

約数ペア:

[(1, 21104096), (2, 10552048), (4, 5276024), (8, 2638012), (13, 1623392), (16, 1319006), (26, 811696), (32, 659503), (52, 405848), (97, 217568), (104, 202924), (194, 108784), (208, 101462), (388, 54392), (416, 50731), (523, 40352), (776, 27196), (1046, 20176), (1261, 16736), (1552, 13598), (2092, 10088), (2522, 8368), (3104, 6799), (4184, 5044)]