21072600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 73990800

約数和(自身を除く): 52918200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 50, 60, 69, 72, 75, 90, 92, 100, 115, 120, 138, 150, 180, 184, 200, 207, 225, 230, 276, 300, 345, 360, 414, 450, 460, 509, 552, 575, 600, 690, 828, 900, 920, 1018, 1035, 1150, 1380, 1527, 1656, 1725, 1800, 2036, 2070, 2300, 2545, 2760, 3054, 3450, 4072, 4140, 4581, 4600, 5090, 5175, 6108, 6900, 7635, 8280, 9162, 10180, 10350, 11707, 12216, 12725, 13800, 15270, 18324, 20360, 20700, 22905, 23414, 25450, 30540, 35121, 36648, 38175, 41400, 45810, 46828, 50900, 58535, 61080, 70242, 76350, 91620, 93656, 101800, 105363, 114525, 117070, 140484, 152700, 175605, 183240, 210726, 229050, 234140, 280968, 292675, 305400, 351210, 421452, 458100, 468280, 526815, 585350, 702420, 842904, 878025, 916200, 1053630, 1170700, 1404840, 1756050, 2107260, 2341400, 2634075, 3512100, 4214520, 5268150, 7024200, 10536300, 21072600]

約数ペア:

[(1, 21072600), (2, 10536300), (3, 7024200), (4, 5268150), (5, 4214520), (6, 3512100), (8, 2634075), (9, 2341400), (10, 2107260), (12, 1756050), (15, 1404840), (18, 1170700), (20, 1053630), (23, 916200), (24, 878025), (25, 842904), (30, 702420), (36, 585350), (40, 526815), (45, 468280), (46, 458100), (50, 421452), (60, 351210), (69, 305400), (72, 292675), (75, 280968), (90, 234140), (92, 229050), (100, 210726), (115, 183240), (120, 175605), (138, 152700), (150, 140484), (180, 117070), (184, 114525), (200, 105363), (207, 101800), (225, 93656), (230, 91620), (276, 76350), (300, 70242), (345, 61080), (360, 58535), (414, 50900), (450, 46828), (460, 45810), (509, 41400), (552, 38175), (575, 36648), (600, 35121), (690, 30540), (828, 25450), (900, 23414), (920, 22905), (1018, 20700), (1035, 20360), (1150, 18324), (1380, 15270), (1527, 13800), (1656, 12725), (1725, 12216), (1800, 11707), (2036, 10350), (2070, 10180), (2300, 9162), (2545, 8280), (2760, 7635), (3054, 6900), (3450, 6108), (4072, 5175), (4140, 5090), (4581, 4600)]