21084336

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1643

約数の個数: 120

約数和(自身を含む): 72668960

約数和(自身を除く): 51584624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1609, 1638, 1872, 2184, 3218, 3276, 4368, 4827, 6436, 6552, 9654, 11263, 12872, 13104, 14481, 19308, 20917, 22526, 25744, 28962, 33789, 38616, 41834, 45052, 57924, 62751, 67578, 77232, 83668, 90104, 101367, 115848, 125502, 135156, 146419, 167336, 180208, 188253, 202734, 231696, 251004, 270312, 292838, 334672, 376506, 405468, 439257, 502008, 540624, 585676, 753012, 810936, 878514, 1004016, 1171352, 1317771, 1506024, 1621872, 1757028, 2342704, 2635542, 3012048, 3514056, 5271084, 7028112, 10542168, 21084336]

約数ペア:

[(1, 21084336), (2, 10542168), (3, 7028112), (4, 5271084), (6, 3514056), (7, 3012048), (8, 2635542), (9, 2342704), (12, 1757028), (13, 1621872), (14, 1506024), (16, 1317771), (18, 1171352), (21, 1004016), (24, 878514), (26, 810936), (28, 753012), (36, 585676), (39, 540624), (42, 502008), (48, 439257), (52, 405468), (56, 376506), (63, 334672), (72, 292838), (78, 270312), (84, 251004), (91, 231696), (104, 202734), (112, 188253), (117, 180208), (126, 167336), (144, 146419), (156, 135156), (168, 125502), (182, 115848), (208, 101367), (234, 90104), (252, 83668), (273, 77232), (312, 67578), (336, 62751), (364, 57924), (468, 45052), (504, 41834), (546, 38616), (624, 33789), (728, 28962), (819, 25744), (936, 22526), (1008, 20917), (1092, 19308), (1456, 14481), (1609, 13104), (1638, 12872), (1872, 11263), (2184, 9654), (3218, 6552), (3276, 6436), (4368, 4827)]