21214716800

素因数分解:

$2^7\times 5^2\times {\mathrm{331}}^1\times {\mathrm{20029}}^1$

素因数の和:20384

約数の個数: 96

約数和(自身を含む): 52567933800

約数和(自身を除く): 31353217000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 331, 400, 640, 662, 800, 1324, 1600, 1655, 2648, 3200, 3310, 5296, 6620, 8275, 10592, 13240, 16550, 20029, 21184, 26480, 33100, 40058, 42368, 52960, 66200, 80116, 100145, 105920, 132400, 160232, 200290, 211840, 264800, 320464, 400580, 500725, 529600, 640928, 801160, 1001450, 1059200, 1281856, 1602320, 2002900, 2563712, 3204640, 4005800, 6409280, 6629599, 8011600, 12818560, 13259198, 16023200, 26518396, 32046400, 33147995, 53036792, 64092800, 66295990, 106073584, 132591980, 165739975, 212147168, 265183960, 331479950, 424294336, 530367920, 662959900, 848588672, 1060735840, 1325919800, 2121471680, 2651839600, 4242943360, 5303679200, 10607358400, 21214716800]

約数ペア:

[(1, 21214716800), (2, 10607358400), (4, 5303679200), (5, 4242943360), (8, 2651839600), (10, 2121471680), (16, 1325919800), (20, 1060735840), (25, 848588672), (32, 662959900), (40, 530367920), (50, 424294336), (64, 331479950), (80, 265183960), (100, 212147168), (128, 165739975), (160, 132591980), (200, 106073584), (320, 66295990), (331, 64092800), (400, 53036792), (640, 33147995), (662, 32046400), (800, 26518396), (1324, 16023200), (1600, 13259198), (1655, 12818560), (2648, 8011600), (3200, 6629599), (3310, 6409280), (5296, 4005800), (6620, 3204640), (8275, 2563712), (10592, 2002900), (13240, 1602320), (16550, 1281856), (20029, 1059200), (21184, 1001450), (26480, 801160), (33100, 640928), (40058, 529600), (42368, 500725), (52960, 400580), (66200, 320464), (80116, 264800), (100145, 211840), (105920, 200290), (132400, 160232)]