21798882

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 80

約数和(自身を含む): 57150720

約数和(自身を除く): 35351838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 81, 94, 126, 141, 162, 189, 282, 329, 378, 409, 423, 567, 658, 818, 846, 987, 1134, 1227, 1269, 1974, 2454, 2538, 2863, 2961, 3681, 3807, 5726, 5922, 7362, 7614, 8589, 8883, 11043, 17178, 17766, 19223, 22086, 25767, 26649, 33129, 38446, 51534, 53298, 57669, 66258, 77301, 115338, 134561, 154602, 173007, 231903, 269122, 346014, 403683, 463806, 519021, 807366, 1038042, 1211049, 1557063, 2422098, 3114126, 3633147, 7266294, 10899441, 21798882]

約数ペア:

[(1, 21798882), (2, 10899441), (3, 7266294), (6, 3633147), (7, 3114126), (9, 2422098), (14, 1557063), (18, 1211049), (21, 1038042), (27, 807366), (42, 519021), (47, 463806), (54, 403683), (63, 346014), (81, 269122), (94, 231903), (126, 173007), (141, 154602), (162, 134561), (189, 115338), (282, 77301), (329, 66258), (378, 57669), (409, 53298), (423, 51534), (567, 38446), (658, 33129), (818, 26649), (846, 25767), (987, 22086), (1134, 19223), (1227, 17766), (1269, 17178), (1974, 11043), (2454, 8883), (2538, 8589), (2863, 7614), (2961, 7362), (3681, 5922), (3807, 5726)]