21820860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2412

約数の個数: 96

約数和(自身を含む): 71910720

約数和(自身を除く): 50089860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 2377, 3060, 4590, 4754, 7131, 9180, 9508, 11885, 14262, 21393, 23770, 28524, 35655, 40409, 42786, 47540, 64179, 71310, 80818, 85572, 106965, 121227, 128358, 142620, 161636, 202045, 213930, 242454, 256716, 320895, 363681, 404090, 427860, 484908, 606135, 641790, 727362, 808180, 1091043, 1212270, 1283580, 1454724, 1818405, 2182086, 2424540, 3636810, 4364172, 5455215, 7273620, 10910430, 21820860]

約数ペア:

[(1, 21820860), (2, 10910430), (3, 7273620), (4, 5455215), (5, 4364172), (6, 3636810), (9, 2424540), (10, 2182086), (12, 1818405), (15, 1454724), (17, 1283580), (18, 1212270), (20, 1091043), (27, 808180), (30, 727362), (34, 641790), (36, 606135), (45, 484908), (51, 427860), (54, 404090), (60, 363681), (68, 320895), (85, 256716), (90, 242454), (102, 213930), (108, 202045), (135, 161636), (153, 142620), (170, 128358), (180, 121227), (204, 106965), (255, 85572), (270, 80818), (306, 71310), (340, 64179), (459, 47540), (510, 42786), (540, 40409), (612, 35655), (765, 28524), (918, 23770), (1020, 21393), (1530, 14262), (1836, 11885), (2295, 9508), (2377, 9180), (3060, 7131), (4590, 4754)]