21723975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1061}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 47934432

約数和(自身を除く): 26210457

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 455, 525, 585, 819, 975, 1061, 1365, 1575, 2275, 2925, 3183, 4095, 5305, 6825, 7427, 9549, 13793, 15915, 20475, 22281, 26525, 37135, 41379, 47745, 66843, 68965, 79575, 96551, 111405, 124137, 185675, 206895, 238725, 289653, 334215, 344825, 482755, 557025, 620685, 868959, 1034475, 1448265, 1671075, 2413775, 3103425, 4344795, 7241325, 21723975]

約数ペア:

[(1, 21723975), (3, 7241325), (5, 4344795), (7, 3103425), (9, 2413775), (13, 1671075), (15, 1448265), (21, 1034475), (25, 868959), (35, 620685), (39, 557025), (45, 482755), (63, 344825), (65, 334215), (75, 289653), (91, 238725), (105, 206895), (117, 185675), (175, 124137), (195, 111405), (225, 96551), (273, 79575), (315, 68965), (325, 66843), (455, 47745), (525, 41379), (585, 37135), (819, 26525), (975, 22281), (1061, 20475), (1365, 15915), (1575, 13793), (2275, 9549), (2925, 7427), (3183, 6825), (4095, 5305)]