21614320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2969}}^1$

素因数の和:3002

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 40256720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2969, 3640, 5938, 7280, 11876, 14845, 20783, 23752, 29690, 38597, 41566, 47504, 59380, 77194, 83132, 103915, 118760, 154388, 166264, 192985, 207830, 237520, 270179, 308776, 332528, 385970, 415660, 540358, 617552, 771940, 831320, 1080716, 1350895, 1543880, 1662640, 2161432, 2701790, 3087760, 4322864, 5403580, 10807160, 21614320]

約数ペア:

[(1, 21614320), (2, 10807160), (4, 5403580), (5, 4322864), (7, 3087760), (8, 2701790), (10, 2161432), (13, 1662640), (14, 1543880), (16, 1350895), (20, 1080716), (26, 831320), (28, 771940), (35, 617552), (40, 540358), (52, 415660), (56, 385970), (65, 332528), (70, 308776), (80, 270179), (91, 237520), (104, 207830), (112, 192985), (130, 166264), (140, 154388), (182, 118760), (208, 103915), (260, 83132), (280, 77194), (364, 59380), (455, 47504), (520, 41566), (560, 38597), (728, 29690), (910, 23752), (1040, 20783), (1456, 14845), (1820, 11876), (2969, 7280), (3640, 5938)]