21291792

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 58329600

約数和(自身を除く): 37037808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 41, 48, 62, 82, 93, 123, 124, 164, 186, 246, 248, 328, 349, 372, 492, 496, 656, 698, 744, 984, 1047, 1271, 1396, 1488, 1968, 2094, 2542, 2792, 3813, 4188, 5084, 5584, 7626, 8376, 10168, 10819, 14309, 15252, 16752, 20336, 21638, 28618, 30504, 32457, 42927, 43276, 57236, 61008, 64914, 85854, 86552, 114472, 129828, 171708, 173104, 228944, 259656, 343416, 443579, 519312, 686832, 887158, 1330737, 1774316, 2661474, 3548632, 5322948, 7097264, 10645896, 21291792]

約数ペア:

[(1, 21291792), (2, 10645896), (3, 7097264), (4, 5322948), (6, 3548632), (8, 2661474), (12, 1774316), (16, 1330737), (24, 887158), (31, 686832), (41, 519312), (48, 443579), (62, 343416), (82, 259656), (93, 228944), (123, 173104), (124, 171708), (164, 129828), (186, 114472), (246, 86552), (248, 85854), (328, 64914), (349, 61008), (372, 57236), (492, 43276), (496, 42927), (656, 32457), (698, 30504), (744, 28618), (984, 21638), (1047, 20336), (1271, 16752), (1396, 15252), (1488, 14309), (1968, 10819), (2094, 10168), (2542, 8376), (2792, 7626), (3813, 5584), (4188, 5084)]