21316400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:379

約数の個数: 120

約数和(自身を含む): 61257984

約数和(自身を除く): 39941584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 331, 350, 368, 400, 460, 560, 575, 644, 662, 700, 805, 920, 1150, 1288, 1324, 1400, 1610, 1655, 1840, 2300, 2317, 2576, 2648, 2800, 3220, 3310, 4025, 4600, 4634, 5296, 6440, 6620, 7613, 8050, 8275, 9200, 9268, 11585, 12880, 13240, 15226, 16100, 16550, 18536, 23170, 26480, 30452, 32200, 33100, 37072, 38065, 46340, 53291, 57925, 60904, 64400, 66200, 76130, 92680, 106582, 115850, 121808, 132400, 152260, 185360, 190325, 213164, 231700, 266455, 304520, 380650, 426328, 463400, 532910, 609040, 761300, 852656, 926800, 1065820, 1332275, 1522600, 2131640, 2664550, 3045200, 4263280, 5329100, 10658200, 21316400]

約数ペア:

[(1, 21316400), (2, 10658200), (4, 5329100), (5, 4263280), (7, 3045200), (8, 2664550), (10, 2131640), (14, 1522600), (16, 1332275), (20, 1065820), (23, 926800), (25, 852656), (28, 761300), (35, 609040), (40, 532910), (46, 463400), (50, 426328), (56, 380650), (70, 304520), (80, 266455), (92, 231700), (100, 213164), (112, 190325), (115, 185360), (140, 152260), (161, 132400), (175, 121808), (184, 115850), (200, 106582), (230, 92680), (280, 76130), (322, 66200), (331, 64400), (350, 60904), (368, 57925), (400, 53291), (460, 46340), (560, 38065), (575, 37072), (644, 33100), (662, 32200), (700, 30452), (805, 26480), (920, 23170), (1150, 18536), (1288, 16550), (1324, 16100), (1400, 15226), (1610, 13240), (1655, 12880), (1840, 11585), (2300, 9268), (2317, 9200), (2576, 8275), (2648, 8050), (2800, 7613), (3220, 6620), (3310, 6440), (4025, 5296), (4600, 4634)]