21898548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1297}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 64256192

約数和(自身を除く): 42357644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 84, 126, 134, 201, 252, 268, 402, 469, 603, 804, 938, 1206, 1297, 1407, 1876, 2412, 2594, 2814, 3891, 4221, 5188, 5628, 7782, 8442, 9079, 11673, 15564, 16884, 18158, 23346, 27237, 36316, 46692, 54474, 81711, 86899, 108948, 163422, 173798, 260697, 326844, 347596, 521394, 608293, 782091, 1042788, 1216586, 1564182, 1824879, 2433172, 3128364, 3649758, 5474637, 7299516, 10949274, 21898548]

約数ペア:

[(1, 21898548), (2, 10949274), (3, 7299516), (4, 5474637), (6, 3649758), (7, 3128364), (9, 2433172), (12, 1824879), (14, 1564182), (18, 1216586), (21, 1042788), (28, 782091), (36, 608293), (42, 521394), (63, 347596), (67, 326844), (84, 260697), (126, 173798), (134, 163422), (201, 108948), (252, 86899), (268, 81711), (402, 54474), (469, 46692), (603, 36316), (804, 27237), (938, 23346), (1206, 18158), (1297, 16884), (1407, 15564), (1876, 11673), (2412, 9079), (2594, 8442), (2814, 7782), (3891, 5628), (4221, 5188)]