21766875

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:102

約数の個数: 80

約数和(自身を含む): 41986560

約数和(自身を除く): 20219685

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 47, 57, 65, 75, 95, 125, 141, 195, 235, 247, 285, 325, 375, 475, 611, 625, 705, 741, 893, 975, 1175, 1235, 1425, 1625, 1833, 1875, 2375, 2679, 3055, 3525, 3705, 4465, 4875, 5875, 6175, 7125, 8125, 9165, 11609, 11875, 13395, 15275, 17625, 18525, 22325, 24375, 29375, 30875, 34827, 35625, 45825, 58045, 66975, 76375, 88125, 92625, 111625, 154375, 174135, 229125, 290225, 334875, 381875, 463125, 558125, 870675, 1145625, 1451125, 1674375, 4353375, 7255625, 21766875]

約数ペア:

[(1, 21766875), (3, 7255625), (5, 4353375), (13, 1674375), (15, 1451125), (19, 1145625), (25, 870675), (39, 558125), (47, 463125), (57, 381875), (65, 334875), (75, 290225), (95, 229125), (125, 174135), (141, 154375), (195, 111625), (235, 92625), (247, 88125), (285, 76375), (325, 66975), (375, 58045), (475, 45825), (611, 35625), (625, 34827), (705, 30875), (741, 29375), (893, 24375), (975, 22325), (1175, 18525), (1235, 17625), (1425, 15275), (1625, 13395), (1833, 11875), (1875, 11609), (2375, 9165), (2679, 8125), (3055, 7125), (3525, 6175), (3705, 5875), (4465, 4875)]