21630700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2377}}^1$

素因数の和:2411

約数の個数: 72

約数和(自身を含む): 57794912

約数和(自身を除く): 36164212

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 2377, 4550, 4754, 9100, 9508, 11885, 16639, 23770, 30901, 33278, 47540, 59425, 61802, 66556, 83195, 118850, 123604, 154505, 166390, 216307, 237700, 309010, 332780, 415975, 432614, 618020, 772525, 831950, 865228, 1081535, 1545050, 1663900, 2163070, 3090100, 4326140, 5407675, 10815350, 21630700]

約数ペア:

[(1, 21630700), (2, 10815350), (4, 5407675), (5, 4326140), (7, 3090100), (10, 2163070), (13, 1663900), (14, 1545050), (20, 1081535), (25, 865228), (26, 831950), (28, 772525), (35, 618020), (50, 432614), (52, 415975), (65, 332780), (70, 309010), (91, 237700), (100, 216307), (130, 166390), (140, 154505), (175, 123604), (182, 118850), (260, 83195), (325, 66556), (350, 61802), (364, 59425), (455, 47540), (650, 33278), (700, 30901), (910, 23770), (1300, 16639), (1820, 11885), (2275, 9508), (2377, 9100), (4550, 4754)]