21403476

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 58751784

約数和(自身を除く): 37348308

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 41, 51, 68, 82, 102, 123, 153, 164, 204, 246, 306, 369, 492, 612, 697, 738, 853, 1394, 1476, 1706, 2091, 2559, 2788, 3412, 4182, 5118, 6273, 7677, 8364, 10236, 12546, 14501, 15354, 25092, 29002, 30708, 34973, 43503, 58004, 69946, 87006, 104919, 130509, 139892, 174012, 209838, 261018, 314757, 419676, 522036, 594541, 629514, 1189082, 1259028, 1783623, 2378164, 3567246, 5350869, 7134492, 10701738, 21403476]

約数ペア:

[(1, 21403476), (2, 10701738), (3, 7134492), (4, 5350869), (6, 3567246), (9, 2378164), (12, 1783623), (17, 1259028), (18, 1189082), (34, 629514), (36, 594541), (41, 522036), (51, 419676), (68, 314757), (82, 261018), (102, 209838), (123, 174012), (153, 139892), (164, 130509), (204, 104919), (246, 87006), (306, 69946), (369, 58004), (492, 43503), (612, 34973), (697, 30708), (738, 29002), (853, 25092), (1394, 15354), (1476, 14501), (1706, 12546), (2091, 10236), (2559, 8364), (2788, 7677), (3412, 6273), (4182, 5118)]