21035800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 54237600

約数和(自身を除く): 33201800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 85, 92, 100, 115, 136, 170, 184, 200, 230, 269, 340, 391, 425, 460, 538, 575, 680, 782, 850, 920, 1076, 1150, 1345, 1564, 1700, 1955, 2152, 2300, 2690, 3128, 3400, 3910, 4573, 4600, 5380, 6187, 6725, 7820, 9146, 9775, 10760, 12374, 13450, 15640, 18292, 19550, 22865, 24748, 26900, 30935, 36584, 39100, 45730, 49496, 53800, 61870, 78200, 91460, 105179, 114325, 123740, 154675, 182920, 210358, 228650, 247480, 309350, 420716, 457300, 525895, 618700, 841432, 914600, 1051790, 1237400, 2103580, 2629475, 4207160, 5258950, 10517900, 21035800]

約数ペア:

[(1, 21035800), (2, 10517900), (4, 5258950), (5, 4207160), (8, 2629475), (10, 2103580), (17, 1237400), (20, 1051790), (23, 914600), (25, 841432), (34, 618700), (40, 525895), (46, 457300), (50, 420716), (68, 309350), (85, 247480), (92, 228650), (100, 210358), (115, 182920), (136, 154675), (170, 123740), (184, 114325), (200, 105179), (230, 91460), (269, 78200), (340, 61870), (391, 53800), (425, 49496), (460, 45730), (538, 39100), (575, 36584), (680, 30935), (782, 26900), (850, 24748), (920, 22865), (1076, 19550), (1150, 18292), (1345, 15640), (1564, 13450), (1700, 12374), (1955, 10760), (2152, 9775), (2300, 9146), (2690, 7820), (3128, 6725), (3400, 6187), (3910, 5380), (4573, 4600)]