21818752

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 47442240

約数和(自身を除く): 25623488

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 128, 136, 148, 271, 272, 296, 542, 544, 592, 629, 1084, 1088, 1184, 1258, 2168, 2176, 2368, 2516, 4336, 4607, 4736, 5032, 8672, 9214, 10027, 10064, 17344, 18428, 20054, 20128, 34688, 36856, 40108, 40256, 73712, 80216, 80512, 147424, 160432, 170459, 294848, 320864, 340918, 589696, 641728, 681836, 1283456, 1363672, 2727344, 5454688, 10909376, 21818752]

約数ペア:

[(1, 21818752), (2, 10909376), (4, 5454688), (8, 2727344), (16, 1363672), (17, 1283456), (32, 681836), (34, 641728), (37, 589696), (64, 340918), (68, 320864), (74, 294848), (128, 170459), (136, 160432), (148, 147424), (271, 80512), (272, 80216), (296, 73712), (542, 40256), (544, 40108), (592, 36856), (629, 34688), (1084, 20128), (1088, 20054), (1184, 18428), (1258, 17344), (2168, 10064), (2176, 10027), (2368, 9214), (2516, 8672), (4336, 5032), (4607, 4736)]