21180432

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{373}}^1$

素因数の和:417

約数の個数: 120

約数和(自身を含む): 67894464

約数和(自身を除く): 46714032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 169, 182, 208, 273, 312, 336, 338, 364, 373, 507, 546, 624, 676, 728, 746, 1014, 1092, 1119, 1183, 1352, 1456, 1492, 2028, 2184, 2238, 2366, 2611, 2704, 2984, 3549, 4056, 4368, 4476, 4732, 4849, 5222, 5968, 7098, 7833, 8112, 8952, 9464, 9698, 10444, 14196, 14547, 15666, 17904, 18928, 19396, 20888, 28392, 29094, 31332, 33943, 38792, 41776, 56784, 58188, 62664, 63037, 67886, 77584, 101829, 116376, 125328, 126074, 135772, 189111, 203658, 232752, 252148, 271544, 378222, 407316, 441259, 504296, 543088, 756444, 814632, 882518, 1008592, 1323777, 1512888, 1629264, 1765036, 2647554, 3025776, 3530072, 5295108, 7060144, 10590216, 21180432]

約数ペア:

[(1, 21180432), (2, 10590216), (3, 7060144), (4, 5295108), (6, 3530072), (7, 3025776), (8, 2647554), (12, 1765036), (13, 1629264), (14, 1512888), (16, 1323777), (21, 1008592), (24, 882518), (26, 814632), (28, 756444), (39, 543088), (42, 504296), (48, 441259), (52, 407316), (56, 378222), (78, 271544), (84, 252148), (91, 232752), (104, 203658), (112, 189111), (156, 135772), (168, 126074), (169, 125328), (182, 116376), (208, 101829), (273, 77584), (312, 67886), (336, 63037), (338, 62664), (364, 58188), (373, 56784), (507, 41776), (546, 38792), (624, 33943), (676, 31332), (728, 29094), (746, 28392), (1014, 20888), (1092, 19396), (1119, 18928), (1183, 17904), (1352, 15666), (1456, 14547), (1492, 14196), (2028, 10444), (2184, 9698), (2238, 9464), (2366, 8952), (2611, 8112), (2704, 7833), (2984, 7098), (3549, 5968), (4056, 5222), (4368, 4849), (4476, 4732)]