21861408

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9901}}^1$

素因数の和:9937

約数の個数: 48

約数和(自身を含む): 59887296

約数和(自身を除く): 38025888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9901, 19802, 29703, 39604, 59406, 79208, 118812, 158416, 227723, 237624, 316832, 455446, 475248, 683169, 910892, 950496, 1366338, 1821784, 2732676, 3643568, 5465352, 7287136, 10930704, 21861408]

約数ペア:

[(1, 21861408), (2, 10930704), (3, 7287136), (4, 5465352), (6, 3643568), (8, 2732676), (12, 1821784), (16, 1366338), (23, 950496), (24, 910892), (32, 683169), (46, 475248), (48, 455446), (69, 316832), (92, 237624), (96, 227723), (138, 158416), (184, 118812), (276, 79208), (368, 59406), (552, 39604), (736, 29703), (1104, 19802), (2208, 9901)]