21417408

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 126

約数和(自身を含む): 65419224

約数和(自身を除く): 44001816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 103, 114, 144, 152, 171, 192, 206, 228, 288, 304, 309, 342, 361, 412, 456, 576, 608, 618, 684, 722, 824, 912, 927, 1083, 1216, 1236, 1368, 1444, 1648, 1824, 1854, 1957, 2166, 2472, 2736, 2888, 3249, 3296, 3648, 3708, 3914, 4332, 4944, 5472, 5776, 5871, 6498, 6592, 7416, 7828, 8664, 9888, 10944, 11552, 11742, 12996, 14832, 15656, 17328, 17613, 19776, 23104, 23484, 25992, 29664, 31312, 34656, 35226, 37183, 46968, 51984, 59328, 62624, 69312, 70452, 74366, 93936, 103968, 111549, 125248, 140904, 148732, 187872, 207936, 223098, 281808, 297464, 334647, 375744, 446196, 563616, 594928, 669294, 892392, 1127232, 1189856, 1338588, 1784784, 2379712, 2677176, 3569568, 5354352, 7139136, 10708704, 21417408]

約数ペア:

[(1, 21417408), (2, 10708704), (3, 7139136), (4, 5354352), (6, 3569568), (8, 2677176), (9, 2379712), (12, 1784784), (16, 1338588), (18, 1189856), (19, 1127232), (24, 892392), (32, 669294), (36, 594928), (38, 563616), (48, 446196), (57, 375744), (64, 334647), (72, 297464), (76, 281808), (96, 223098), (103, 207936), (114, 187872), (144, 148732), (152, 140904), (171, 125248), (192, 111549), (206, 103968), (228, 93936), (288, 74366), (304, 70452), (309, 69312), (342, 62624), (361, 59328), (412, 51984), (456, 46968), (576, 37183), (608, 35226), (618, 34656), (684, 31312), (722, 29664), (824, 25992), (912, 23484), (927, 23104), (1083, 19776), (1216, 17613), (1236, 17328), (1368, 15656), (1444, 14832), (1648, 12996), (1824, 11742), (1854, 11552), (1957, 10944), (2166, 9888), (2472, 8664), (2736, 7828), (2888, 7416), (3249, 6592), (3296, 6498), (3648, 5871), (3708, 5776), (3914, 5472), (4332, 4944)]