21820350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 37104450

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 43, 50, 51, 75, 85, 86, 102, 129, 150, 170, 199, 215, 255, 258, 398, 425, 430, 510, 597, 645, 731, 850, 995, 1075, 1194, 1275, 1290, 1462, 1990, 2150, 2193, 2550, 2985, 3225, 3383, 3655, 4386, 4975, 5970, 6450, 6766, 7310, 8557, 9950, 10149, 10965, 14925, 16915, 17114, 18275, 20298, 21930, 25671, 29850, 33830, 36550, 42785, 50745, 51342, 54825, 84575, 85570, 101490, 109650, 128355, 145469, 169150, 213925, 253725, 256710, 290938, 427850, 436407, 507450, 641775, 727345, 872814, 1283550, 1454690, 2182035, 3636725, 4364070, 7273450, 10910175, 21820350]

約数ペア:

[(1, 21820350), (2, 10910175), (3, 7273450), (5, 4364070), (6, 3636725), (10, 2182035), (15, 1454690), (17, 1283550), (25, 872814), (30, 727345), (34, 641775), (43, 507450), (50, 436407), (51, 427850), (75, 290938), (85, 256710), (86, 253725), (102, 213925), (129, 169150), (150, 145469), (170, 128355), (199, 109650), (215, 101490), (255, 85570), (258, 84575), (398, 54825), (425, 51342), (430, 50745), (510, 42785), (597, 36550), (645, 33830), (731, 29850), (850, 25671), (995, 21930), (1075, 20298), (1194, 18275), (1275, 17114), (1290, 16915), (1462, 14925), (1990, 10965), (2150, 10149), (2193, 9950), (2550, 8557), (2985, 7310), (3225, 6766), (3383, 6450), (3655, 5970), (4386, 4975)]