21453444880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1907}}^1\times {\mathrm{20089}}^1$

素因数の和:22016

約数の個数: 80

約数和(自身を含む): 57037599360

約数和(自身を除く): 35584154480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1907, 3814, 7628, 9535, 13349, 15256, 19070, 20089, 26698, 30512, 38140, 40178, 53396, 66745, 76280, 80356, 100445, 106792, 133490, 140623, 152560, 160712, 200890, 213584, 266980, 281246, 321424, 401780, 533960, 562492, 703115, 803560, 1067920, 1124984, 1406230, 1607120, 2249968, 2812460, 5624920, 11249840, 38309723, 76619446, 153238892, 191548615, 268168061, 306477784, 383097230, 536336122, 612955568, 766194460, 1072672244, 1340840305, 1532388920, 2145344488, 2681680610, 3064777840, 4290688976, 5363361220, 10726722440, 21453444880]

約数ペア:

[(1, 21453444880), (2, 10726722440), (4, 5363361220), (5, 4290688976), (7, 3064777840), (8, 2681680610), (10, 2145344488), (14, 1532388920), (16, 1340840305), (20, 1072672244), (28, 766194460), (35, 612955568), (40, 536336122), (56, 383097230), (70, 306477784), (80, 268168061), (112, 191548615), (140, 153238892), (280, 76619446), (560, 38309723), (1907, 11249840), (3814, 5624920), (7628, 2812460), (9535, 2249968), (13349, 1607120), (15256, 1406230), (19070, 1124984), (20089, 1067920), (26698, 803560), (30512, 703115), (38140, 562492), (40178, 533960), (53396, 401780), (66745, 321424), (76280, 281246), (80356, 266980), (100445, 213584), (106792, 200890), (133490, 160712), (140623, 152560)]