21741072

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 38255088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 47, 48, 69, 92, 94, 138, 141, 184, 188, 276, 282, 368, 376, 419, 552, 564, 752, 838, 1081, 1104, 1128, 1257, 1676, 2162, 2256, 2514, 3243, 3352, 4324, 5028, 6486, 6704, 8648, 9637, 10056, 12972, 17296, 19274, 19693, 20112, 25944, 28911, 38548, 39386, 51888, 57822, 59079, 77096, 78772, 115644, 118158, 154192, 157544, 231288, 236316, 315088, 452939, 462576, 472632, 905878, 945264, 1358817, 1811756, 2717634, 3623512, 5435268, 7247024, 10870536, 21741072]

約数ペア:

[(1, 21741072), (2, 10870536), (3, 7247024), (4, 5435268), (6, 3623512), (8, 2717634), (12, 1811756), (16, 1358817), (23, 945264), (24, 905878), (46, 472632), (47, 462576), (48, 452939), (69, 315088), (92, 236316), (94, 231288), (138, 157544), (141, 154192), (184, 118158), (188, 115644), (276, 78772), (282, 77096), (368, 59079), (376, 57822), (419, 51888), (552, 39386), (564, 38548), (752, 28911), (838, 25944), (1081, 20112), (1104, 19693), (1128, 19274), (1257, 17296), (1676, 12972), (2162, 10056), (2256, 9637), (2514, 8648), (3243, 6704), (3352, 6486), (4324, 5028)]