21793320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1224

約数の個数: 128

約数和(自身を含む): 76982400

約数和(自身を除く): 55189080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1187, 1224, 1530, 1836, 2040, 2295, 2374, 3060, 3561, 3672, 4590, 4748, 5935, 6120, 7122, 9180, 9496, 10683, 11870, 14244, 17805, 18360, 20179, 21366, 23740, 28488, 32049, 35610, 40358, 42732, 47480, 53415, 60537, 64098, 71220, 80716, 85464, 100895, 106830, 121074, 128196, 142440, 160245, 161432, 181611, 201790, 213660, 242148, 256392, 302685, 320490, 363222, 403580, 427320, 484296, 544833, 605370, 640980, 726444, 807160, 908055, 1089666, 1210740, 1281960, 1452888, 1816110, 2179332, 2421480, 2724165, 3632220, 4358664, 5448330, 7264440, 10896660, 21793320]

約数ペア:

[(1, 21793320), (2, 10896660), (3, 7264440), (4, 5448330), (5, 4358664), (6, 3632220), (8, 2724165), (9, 2421480), (10, 2179332), (12, 1816110), (15, 1452888), (17, 1281960), (18, 1210740), (20, 1089666), (24, 908055), (27, 807160), (30, 726444), (34, 640980), (36, 605370), (40, 544833), (45, 484296), (51, 427320), (54, 403580), (60, 363222), (68, 320490), (72, 302685), (85, 256392), (90, 242148), (102, 213660), (108, 201790), (120, 181611), (135, 161432), (136, 160245), (153, 142440), (170, 128196), (180, 121074), (204, 106830), (216, 100895), (255, 85464), (270, 80716), (306, 71220), (340, 64098), (360, 60537), (408, 53415), (459, 47480), (510, 42732), (540, 40358), (612, 35610), (680, 32049), (765, 28488), (918, 23740), (1020, 21366), (1080, 20179), (1187, 18360), (1224, 17805), (1530, 14244), (1836, 11870), (2040, 10683), (2295, 9496), (2374, 9180), (3060, 7122), (3561, 6120), (3672, 5935), (4590, 4748)]