21621960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3533}}^1$

素因数の和:3567

約数の個数: 96

約数和(自身を含む): 74426040

約数和(自身を除く): 52804080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3533, 6120, 7066, 10599, 14132, 17665, 21198, 28264, 31797, 35330, 42396, 52995, 60061, 63594, 70660, 84792, 105990, 120122, 127188, 141320, 158985, 180183, 211980, 240244, 254376, 300305, 317970, 360366, 423960, 480488, 540549, 600610, 635940, 720732, 900915, 1081098, 1201220, 1271880, 1441464, 1801830, 2162196, 2402440, 2702745, 3603660, 4324392, 5405490, 7207320, 10810980, 21621960]

約数ペア:

[(1, 21621960), (2, 10810980), (3, 7207320), (4, 5405490), (5, 4324392), (6, 3603660), (8, 2702745), (9, 2402440), (10, 2162196), (12, 1801830), (15, 1441464), (17, 1271880), (18, 1201220), (20, 1081098), (24, 900915), (30, 720732), (34, 635940), (36, 600610), (40, 540549), (45, 480488), (51, 423960), (60, 360366), (68, 317970), (72, 300305), (85, 254376), (90, 240244), (102, 211980), (120, 180183), (136, 158985), (153, 141320), (170, 127188), (180, 120122), (204, 105990), (255, 84792), (306, 70660), (340, 63594), (360, 60061), (408, 52995), (510, 42396), (612, 35330), (680, 31797), (765, 28264), (1020, 21198), (1224, 17665), (1530, 14132), (2040, 10599), (3060, 7066), (3533, 6120)]