21017610

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 62726400

約数和(自身を除く): 41708790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 27, 30, 34, 38, 45, 51, 54, 57, 85, 90, 95, 102, 114, 135, 153, 170, 171, 190, 241, 255, 270, 285, 306, 323, 342, 459, 482, 510, 513, 570, 646, 723, 765, 855, 918, 969, 1026, 1205, 1446, 1530, 1615, 1710, 1938, 2169, 2295, 2410, 2565, 2907, 3230, 3615, 4097, 4338, 4579, 4590, 4845, 5130, 5814, 6507, 7230, 8194, 8721, 9158, 9690, 10845, 12291, 13014, 13737, 14535, 17442, 20485, 21690, 22895, 24582, 27474, 29070, 32535, 36873, 40970, 41211, 43605, 45790, 61455, 65070, 68685, 73746, 77843, 82422, 87210, 110619, 122910, 123633, 137370, 155686, 184365, 206055, 221238, 233529, 247266, 368730, 389215, 412110, 467058, 553095, 618165, 700587, 778430, 1106190, 1167645, 1236330, 1401174, 2101761, 2335290, 3502935, 4203522, 7005870, 10508805, 21017610]

約数ペア:

[(1, 21017610), (2, 10508805), (3, 7005870), (5, 4203522), (6, 3502935), (9, 2335290), (10, 2101761), (15, 1401174), (17, 1236330), (18, 1167645), (19, 1106190), (27, 778430), (30, 700587), (34, 618165), (38, 553095), (45, 467058), (51, 412110), (54, 389215), (57, 368730), (85, 247266), (90, 233529), (95, 221238), (102, 206055), (114, 184365), (135, 155686), (153, 137370), (170, 123633), (171, 122910), (190, 110619), (241, 87210), (255, 82422), (270, 77843), (285, 73746), (306, 68685), (323, 65070), (342, 61455), (459, 45790), (482, 43605), (510, 41211), (513, 40970), (570, 36873), (646, 32535), (723, 29070), (765, 27474), (855, 24582), (918, 22895), (969, 21690), (1026, 20485), (1205, 17442), (1446, 14535), (1530, 13737), (1615, 13014), (1710, 12291), (1938, 10845), (2169, 9690), (2295, 9158), (2410, 8721), (2565, 8194), (2907, 7230), (3230, 6507), (3615, 5814), (4097, 5130), (4338, 4845), (4579, 4590)]