21163266

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 31672062

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 31, 34, 46, 51, 62, 69, 93, 97, 102, 138, 153, 186, 194, 207, 279, 291, 306, 391, 414, 527, 558, 582, 713, 782, 873, 1054, 1173, 1426, 1581, 1649, 1746, 2139, 2231, 2346, 3007, 3162, 3298, 3519, 4278, 4462, 4743, 4947, 6014, 6417, 6693, 7038, 9021, 9486, 9894, 12121, 12834, 13386, 14841, 18042, 20079, 24242, 27063, 29682, 36363, 37927, 40158, 51119, 54126, 69161, 72726, 75854, 102238, 109089, 113781, 138322, 153357, 207483, 218178, 227562, 306714, 341343, 414966, 460071, 622449, 682686, 920142, 1175737, 1244898, 2351474, 3527211, 7054422, 10581633, 21163266]

約数ペア:

[(1, 21163266), (2, 10581633), (3, 7054422), (6, 3527211), (9, 2351474), (17, 1244898), (18, 1175737), (23, 920142), (31, 682686), (34, 622449), (46, 460071), (51, 414966), (62, 341343), (69, 306714), (93, 227562), (97, 218178), (102, 207483), (138, 153357), (153, 138322), (186, 113781), (194, 109089), (207, 102238), (279, 75854), (291, 72726), (306, 69161), (391, 54126), (414, 51119), (527, 40158), (558, 37927), (582, 36363), (713, 29682), (782, 27063), (873, 24242), (1054, 20079), (1173, 18042), (1426, 14841), (1581, 13386), (1649, 12834), (1746, 12121), (2139, 9894), (2231, 9486), (2346, 9021), (3007, 7038), (3162, 6693), (3298, 6417), (3519, 6014), (4278, 4947), (4462, 4743)]