21593250

素因数分解:

$2^1\times 3^3\times 5^3\times 7^1\times {\mathrm{457}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 68590080

約数和(自身を除く): 46996830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 125, 126, 135, 150, 175, 189, 210, 225, 250, 270, 315, 350, 375, 378, 450, 457, 525, 630, 675, 750, 875, 914, 945, 1050, 1125, 1350, 1371, 1575, 1750, 1890, 2250, 2285, 2625, 2742, 3150, 3199, 3375, 4113, 4570, 4725, 5250, 6398, 6750, 6855, 7875, 8226, 9450, 9597, 11425, 12339, 13710, 15750, 15995, 19194, 20565, 22850, 23625, 24678, 28791, 31990, 34275, 41130, 47250, 47985, 57125, 57582, 61695, 68550, 79975, 86373, 95970, 102825, 114250, 123390, 143955, 159950, 171375, 172746, 205650, 239925, 287910, 308475, 342750, 399875, 431865, 479850, 514125, 616950, 719775, 799750, 863730, 1028250, 1199625, 1439550, 1542375, 2159325, 2399250, 3084750, 3598875, 4318650, 7197750, 10796625, 21593250]

約数ペア:

[(1, 21593250), (2, 10796625), (3, 7197750), (5, 4318650), (6, 3598875), (7, 3084750), (9, 2399250), (10, 2159325), (14, 1542375), (15, 1439550), (18, 1199625), (21, 1028250), (25, 863730), (27, 799750), (30, 719775), (35, 616950), (42, 514125), (45, 479850), (50, 431865), (54, 399875), (63, 342750), (70, 308475), (75, 287910), (90, 239925), (105, 205650), (125, 172746), (126, 171375), (135, 159950), (150, 143955), (175, 123390), (189, 114250), (210, 102825), (225, 95970), (250, 86373), (270, 79975), (315, 68550), (350, 61695), (375, 57582), (378, 57125), (450, 47985), (457, 47250), (525, 41130), (630, 34275), (675, 31990), (750, 28791), (875, 24678), (914, 23625), (945, 22850), (1050, 20565), (1125, 19194), (1350, 15995), (1371, 15750), (1575, 13710), (1750, 12339), (1890, 11425), (2250, 9597), (2285, 9450), (2625, 8226), (2742, 7875), (3150, 6855), (3199, 6750), (3375, 6398), (4113, 5250), (4570, 4725)]