21300224

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 88

約数和(自身を含む): 48734976

約数和(自身を除く): 27434752

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 61, 62, 64, 88, 122, 124, 128, 176, 244, 248, 256, 341, 352, 488, 496, 512, 671, 682, 704, 976, 992, 1024, 1342, 1364, 1408, 1891, 1952, 1984, 2684, 2728, 2816, 3782, 3904, 3968, 5368, 5456, 5632, 7564, 7808, 7936, 10736, 10912, 11264, 15128, 15616, 15872, 20801, 21472, 21824, 30256, 31232, 31744, 41602, 42944, 43648, 60512, 62464, 83204, 85888, 87296, 121024, 166408, 171776, 174592, 242048, 332816, 343552, 349184, 484096, 665632, 687104, 968192, 1331264, 1936384, 2662528, 5325056, 10650112, 21300224]

約数ペア:

[(1, 21300224), (2, 10650112), (4, 5325056), (8, 2662528), (11, 1936384), (16, 1331264), (22, 968192), (31, 687104), (32, 665632), (44, 484096), (61, 349184), (62, 343552), (64, 332816), (88, 242048), (122, 174592), (124, 171776), (128, 166408), (176, 121024), (244, 87296), (248, 85888), (256, 83204), (341, 62464), (352, 60512), (488, 43648), (496, 42944), (512, 41602), (671, 31744), (682, 31232), (704, 30256), (976, 21824), (992, 21472), (1024, 20801), (1342, 15872), (1364, 15616), (1408, 15128), (1891, 11264), (1952, 10912), (1984, 10736), (2684, 7936), (2728, 7808), (2816, 7564), (3782, 5632), (3904, 5456), (3968, 5368)]