21094144

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 46137168

約数和(自身を除く): 25043024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 128, 131, 136, 148, 256, 262, 272, 296, 524, 544, 592, 629, 1048, 1088, 1184, 1258, 2096, 2176, 2227, 2368, 2516, 4192, 4352, 4454, 4736, 4847, 5032, 8384, 8908, 9472, 9694, 10064, 16768, 17816, 19388, 20128, 33536, 35632, 38776, 40256, 71264, 77552, 80512, 82399, 142528, 155104, 161024, 164798, 285056, 310208, 329596, 570112, 620416, 659192, 1240832, 1318384, 2636768, 5273536, 10547072, 21094144]

約数ペア:

[(1, 21094144), (2, 10547072), (4, 5273536), (8, 2636768), (16, 1318384), (17, 1240832), (32, 659192), (34, 620416), (37, 570112), (64, 329596), (68, 310208), (74, 285056), (128, 164798), (131, 161024), (136, 155104), (148, 142528), (256, 82399), (262, 80512), (272, 77552), (296, 71264), (524, 40256), (544, 38776), (592, 35632), (629, 33536), (1048, 20128), (1088, 19388), (1184, 17816), (1258, 16768), (2096, 10064), (2176, 9694), (2227, 9472), (2368, 8908), (2516, 8384), (4192, 5032), (4352, 4847), (4454, 4736)]