21785672992

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2107747}}^1$

素因数の和:2107793

約数の個数: 48

約数和(自身を含む): 47803724640

約数和(自身を除く): 26018051648

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 2584, 5168, 10336, 2107747, 4215494, 8430988, 16861976, 33723952, 35831699, 40047193, 67447904, 71663398, 80094386, 143326796, 160188772, 286653592, 320377544, 573307184, 640755088, 680802281, 1146614368, 1281510176, 1361604562, 2723209124, 5446418248, 10892836496, 21785672992]

約数ペア:

[(1, 21785672992), (2, 10892836496), (4, 5446418248), (8, 2723209124), (16, 1361604562), (17, 1281510176), (19, 1146614368), (32, 680802281), (34, 640755088), (38, 573307184), (68, 320377544), (76, 286653592), (136, 160188772), (152, 143326796), (272, 80094386), (304, 71663398), (323, 67447904), (544, 40047193), (608, 35831699), (646, 33723952), (1292, 16861976), (2584, 8430988), (5168, 4215494), (10336, 2107747)]