21084588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2699}}^1$

素因数の和:2747

約数の個数: 72

約数和(自身を含む): 62899200

約数和(自身を除く): 41814612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 2699, 3906, 5398, 7812, 8097, 10796, 16194, 18893, 24291, 32388, 37786, 48582, 56679, 75572, 83669, 97164, 113358, 167338, 170037, 226716, 251007, 334676, 340074, 502014, 585683, 680148, 753021, 1004028, 1171366, 1506042, 1757049, 2342732, 3012084, 3514098, 5271147, 7028196, 10542294, 21084588]

約数ペア:

[(1, 21084588), (2, 10542294), (3, 7028196), (4, 5271147), (6, 3514098), (7, 3012084), (9, 2342732), (12, 1757049), (14, 1506042), (18, 1171366), (21, 1004028), (28, 753021), (31, 680148), (36, 585683), (42, 502014), (62, 340074), (63, 334676), (84, 251007), (93, 226716), (124, 170037), (126, 167338), (186, 113358), (217, 97164), (252, 83669), (279, 75572), (372, 56679), (434, 48582), (558, 37786), (651, 32388), (868, 24291), (1116, 18893), (1302, 16194), (1953, 10796), (2604, 8097), (2699, 7812), (3906, 5398)]