21685182

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 48328704

約数和(自身を除く): 26643522

約数列:

[1, 2, 3, 6, 23, 31, 37, 46, 62, 69, 74, 93, 111, 137, 138, 186, 222, 274, 411, 713, 822, 851, 1147, 1426, 1702, 2139, 2294, 2553, 3151, 3441, 4247, 4278, 5069, 5106, 6302, 6882, 8494, 9453, 10138, 12741, 15207, 18906, 25482, 26381, 30414, 52762, 79143, 97681, 116587, 157139, 158286, 195362, 233174, 293043, 314278, 349761, 471417, 586086, 699522, 942834, 3614197, 7228394, 10842591, 21685182]

約数ペア:

[(1, 21685182), (2, 10842591), (3, 7228394), (6, 3614197), (23, 942834), (31, 699522), (37, 586086), (46, 471417), (62, 349761), (69, 314278), (74, 293043), (93, 233174), (111, 195362), (137, 158286), (138, 157139), (186, 116587), (222, 97681), (274, 79143), (411, 52762), (713, 30414), (822, 26381), (851, 25482), (1147, 18906), (1426, 15207), (1702, 12741), (2139, 10138), (2294, 9453), (2553, 8494), (3151, 6882), (3441, 6302), (4247, 5106), (4278, 5069)]