21223728

素因数分解:

$2^4\times 3^3\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:763

約数の個数: 80

約数和(自身を含む): 61846240

約数和(自身を除く): 40622512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 144, 146, 216, 219, 292, 432, 438, 584, 657, 673, 876, 1168, 1314, 1346, 1752, 1971, 2019, 2628, 2692, 3504, 3942, 4038, 5256, 5384, 6057, 7884, 8076, 10512, 10768, 12114, 15768, 16152, 18171, 24228, 31536, 32304, 36342, 48456, 49129, 72684, 96912, 98258, 145368, 147387, 196516, 290736, 294774, 393032, 442161, 589548, 786064, 884322, 1179096, 1326483, 1768644, 2358192, 2652966, 3537288, 5305932, 7074576, 10611864, 21223728]

約数ペア:

[(1, 21223728), (2, 10611864), (3, 7074576), (4, 5305932), (6, 3537288), (8, 2652966), (9, 2358192), (12, 1768644), (16, 1326483), (18, 1179096), (24, 884322), (27, 786064), (36, 589548), (48, 442161), (54, 393032), (72, 294774), (73, 290736), (108, 196516), (144, 147387), (146, 145368), (216, 98258), (219, 96912), (292, 72684), (432, 49129), (438, 48456), (584, 36342), (657, 32304), (673, 31536), (876, 24228), (1168, 18171), (1314, 16152), (1346, 15768), (1752, 12114), (1971, 10768), (2019, 10512), (2628, 8076), (2692, 7884), (3504, 6057), (3942, 5384), (4038, 5256)]