21182568

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 41716632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 41, 44, 57, 66, 76, 82, 88, 103, 114, 123, 132, 152, 164, 206, 209, 228, 246, 264, 309, 328, 412, 418, 451, 456, 492, 618, 627, 779, 824, 836, 902, 984, 1133, 1236, 1254, 1353, 1558, 1672, 1804, 1957, 2266, 2337, 2472, 2508, 2706, 3116, 3399, 3608, 3914, 4223, 4532, 4674, 5016, 5412, 5871, 6232, 6798, 7828, 8446, 8569, 9064, 9348, 10824, 11742, 12669, 13596, 15656, 16892, 17138, 18696, 21527, 23484, 25338, 25707, 27192, 33784, 34276, 43054, 46453, 46968, 50676, 51414, 64581, 68552, 80237, 86108, 92906, 101352, 102828, 129162, 139359, 160474, 172216, 185812, 205656, 240711, 258324, 278718, 320948, 371624, 481422, 516648, 557436, 641896, 882607, 962844, 1114872, 1765214, 1925688, 2647821, 3530428, 5295642, 7060856, 10591284, 21182568]

約数ペア:

[(1, 21182568), (2, 10591284), (3, 7060856), (4, 5295642), (6, 3530428), (8, 2647821), (11, 1925688), (12, 1765214), (19, 1114872), (22, 962844), (24, 882607), (33, 641896), (38, 557436), (41, 516648), (44, 481422), (57, 371624), (66, 320948), (76, 278718), (82, 258324), (88, 240711), (103, 205656), (114, 185812), (123, 172216), (132, 160474), (152, 139359), (164, 129162), (206, 102828), (209, 101352), (228, 92906), (246, 86108), (264, 80237), (309, 68552), (328, 64581), (412, 51414), (418, 50676), (451, 46968), (456, 46453), (492, 43054), (618, 34276), (627, 33784), (779, 27192), (824, 25707), (836, 25338), (902, 23484), (984, 21527), (1133, 18696), (1236, 17138), (1254, 16892), (1353, 15656), (1558, 13596), (1672, 12669), (1804, 11742), (1957, 10824), (2266, 9348), (2337, 9064), (2472, 8569), (2508, 8446), (2706, 7828), (3116, 6798), (3399, 6232), (3608, 5871), (3914, 5412), (4223, 5016), (4532, 4674)]