21532290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 58185216

約数和(自身を除く): 36652926

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 137, 155, 169, 186, 195, 274, 310, 338, 390, 403, 411, 465, 507, 685, 806, 822, 845, 930, 1014, 1209, 1370, 1690, 1781, 2015, 2055, 2418, 2535, 3562, 4030, 4110, 4247, 5070, 5239, 5343, 6045, 8494, 8905, 10478, 10686, 12090, 12741, 15717, 17810, 21235, 23153, 25482, 26195, 26715, 31434, 42470, 46306, 52390, 53430, 55211, 63705, 69459, 78585, 110422, 115765, 127410, 138918, 157170, 165633, 231530, 276055, 331266, 347295, 552110, 694590, 717743, 828165, 1435486, 1656330, 2153229, 3588715, 4306458, 7177430, 10766145, 21532290]

約数ペア:

[(1, 21532290), (2, 10766145), (3, 7177430), (5, 4306458), (6, 3588715), (10, 2153229), (13, 1656330), (15, 1435486), (26, 828165), (30, 717743), (31, 694590), (39, 552110), (62, 347295), (65, 331266), (78, 276055), (93, 231530), (130, 165633), (137, 157170), (155, 138918), (169, 127410), (186, 115765), (195, 110422), (274, 78585), (310, 69459), (338, 63705), (390, 55211), (403, 53430), (411, 52390), (465, 46306), (507, 42470), (685, 31434), (806, 26715), (822, 26195), (845, 25482), (930, 23153), (1014, 21235), (1209, 17810), (1370, 15717), (1690, 12741), (1781, 12090), (2015, 10686), (2055, 10478), (2418, 8905), (2535, 8494), (3562, 6045), (4030, 5343), (4110, 5239), (4247, 5070)]