21639648

素因数分解:

$2^5\times 3^1\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 57044736

約数和(自身を除く): 35405088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 431, 523, 862, 1046, 1293, 1569, 1724, 2092, 2586, 3138, 3448, 4184, 5172, 6276, 6896, 8368, 10344, 12552, 13792, 16736, 20688, 25104, 41376, 50208, 225413, 450826, 676239, 901652, 1352478, 1803304, 2704956, 3606608, 5409912, 7213216, 10819824, 21639648]

約数ペア:

[(1, 21639648), (2, 10819824), (3, 7213216), (4, 5409912), (6, 3606608), (8, 2704956), (12, 1803304), (16, 1352478), (24, 901652), (32, 676239), (48, 450826), (96, 225413), (431, 50208), (523, 41376), (862, 25104), (1046, 20688), (1293, 16736), (1569, 13792), (1724, 12552), (2092, 10344), (2586, 8368), (3138, 6896), (3448, 6276), (4184, 5172)]