21444768

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3954

約数の個数: 72

約数和(自身を含む): 64209600

約数和(自身を除く): 42764832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3919, 5472, 7838, 11757, 15676, 23514, 31352, 35271, 47028, 62704, 70542, 74461, 94056, 125408, 141084, 148922, 188112, 223383, 282168, 297844, 376224, 446766, 564336, 595688, 670149, 893532, 1128672, 1191376, 1340298, 1787064, 2382752, 2680596, 3574128, 5361192, 7148256, 10722384, 21444768]

約数ペア:

[(1, 21444768), (2, 10722384), (3, 7148256), (4, 5361192), (6, 3574128), (8, 2680596), (9, 2382752), (12, 1787064), (16, 1340298), (18, 1191376), (19, 1128672), (24, 893532), (32, 670149), (36, 595688), (38, 564336), (48, 446766), (57, 376224), (72, 297844), (76, 282168), (96, 223383), (114, 188112), (144, 148922), (152, 141084), (171, 125408), (228, 94056), (288, 74461), (304, 70542), (342, 62704), (456, 47028), (608, 35271), (684, 31352), (912, 23514), (1368, 15676), (1824, 11757), (2736, 7838), (3919, 5472)]