21167040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1334

約数の個数: 112

約数和(自身を含む): 71213472

約数和(自身を除く): 50046432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1297, 1360, 1632, 2040, 2594, 2720, 3264, 3891, 4080, 5188, 5440, 6485, 7782, 8160, 10376, 12970, 15564, 16320, 19455, 20752, 22049, 25940, 31128, 38910, 41504, 44098, 51880, 62256, 66147, 77820, 83008, 88196, 103760, 110245, 124512, 132294, 155640, 176392, 207520, 220490, 249024, 264588, 311280, 330735, 352784, 415040, 440980, 529176, 622560, 661470, 705568, 881960, 1058352, 1245120, 1322940, 1411136, 1763920, 2116704, 2645880, 3527840, 4233408, 5291760, 7055680, 10583520, 21167040]

約数ペア:

[(1, 21167040), (2, 10583520), (3, 7055680), (4, 5291760), (5, 4233408), (6, 3527840), (8, 2645880), (10, 2116704), (12, 1763920), (15, 1411136), (16, 1322940), (17, 1245120), (20, 1058352), (24, 881960), (30, 705568), (32, 661470), (34, 622560), (40, 529176), (48, 440980), (51, 415040), (60, 352784), (64, 330735), (68, 311280), (80, 264588), (85, 249024), (96, 220490), (102, 207520), (120, 176392), (136, 155640), (160, 132294), (170, 124512), (192, 110245), (204, 103760), (240, 88196), (255, 83008), (272, 77820), (320, 66147), (340, 62256), (408, 51880), (480, 44098), (510, 41504), (544, 38910), (680, 31128), (816, 25940), (960, 22049), (1020, 20752), (1088, 19455), (1297, 16320), (1360, 15564), (1632, 12970), (2040, 10376), (2594, 8160), (2720, 7782), (3264, 6485), (3891, 5440), (4080, 5188)]