21890232

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 73653840

約数和(自身を除く): 51763608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 169, 182, 234, 252, 257, 273, 312, 338, 364, 468, 504, 507, 514, 546, 676, 728, 771, 819, 936, 1014, 1028, 1092, 1183, 1352, 1521, 1542, 1638, 1799, 2028, 2056, 2184, 2313, 2366, 3042, 3084, 3276, 3341, 3549, 3598, 4056, 4626, 4732, 5397, 6084, 6168, 6552, 6682, 7098, 7196, 9252, 9464, 10023, 10647, 10794, 12168, 13364, 14196, 14392, 16191, 18504, 20046, 21294, 21588, 23387, 26728, 28392, 30069, 32382, 40092, 42588, 43176, 43433, 46774, 60138, 64764, 70161, 80184, 85176, 86866, 93548, 120276, 129528, 130299, 140322, 173732, 187096, 210483, 240552, 260598, 280644, 304031, 347464, 390897, 420966, 521196, 561288, 608062, 781794, 841932, 912093, 1042392, 1216124, 1563588, 1683864, 1824186, 2432248, 2736279, 3127176, 3648372, 5472558, 7296744, 10945116, 21890232]

約数ペア:

[(1, 21890232), (2, 10945116), (3, 7296744), (4, 5472558), (6, 3648372), (7, 3127176), (8, 2736279), (9, 2432248), (12, 1824186), (13, 1683864), (14, 1563588), (18, 1216124), (21, 1042392), (24, 912093), (26, 841932), (28, 781794), (36, 608062), (39, 561288), (42, 521196), (52, 420966), (56, 390897), (63, 347464), (72, 304031), (78, 280644), (84, 260598), (91, 240552), (104, 210483), (117, 187096), (126, 173732), (156, 140322), (168, 130299), (169, 129528), (182, 120276), (234, 93548), (252, 86866), (257, 85176), (273, 80184), (312, 70161), (338, 64764), (364, 60138), (468, 46774), (504, 43433), (507, 43176), (514, 42588), (546, 40092), (676, 32382), (728, 30069), (771, 28392), (819, 26728), (936, 23387), (1014, 21588), (1028, 21294), (1092, 20046), (1183, 18504), (1352, 16191), (1521, 14392), (1542, 14196), (1638, 13364), (1799, 12168), (2028, 10794), (2056, 10647), (2184, 10023), (2313, 9464), (2366, 9252), (3042, 7196), (3084, 7098), (3276, 6682), (3341, 6552), (3549, 6168), (3598, 6084), (4056, 5397), (4626, 4732)]