21580344

素因数分解:

$2^3\times 3^5\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 64275120

約数和(自身を除く): 42694776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 243, 306, 324, 408, 459, 486, 612, 648, 653, 918, 972, 1224, 1306, 1377, 1836, 1944, 1959, 2612, 2754, 3672, 3918, 4131, 5224, 5508, 5877, 7836, 8262, 11016, 11101, 11754, 15672, 16524, 17631, 22202, 23508, 33048, 33303, 35262, 44404, 47016, 52893, 66606, 70524, 88808, 99909, 105786, 133212, 141048, 158679, 199818, 211572, 266424, 299727, 317358, 399636, 423144, 599454, 634716, 799272, 899181, 1198908, 1269432, 1798362, 2397816, 2697543, 3596724, 5395086, 7193448, 10790172, 21580344]

約数ペア:

[(1, 21580344), (2, 10790172), (3, 7193448), (4, 5395086), (6, 3596724), (8, 2697543), (9, 2397816), (12, 1798362), (17, 1269432), (18, 1198908), (24, 899181), (27, 799272), (34, 634716), (36, 599454), (51, 423144), (54, 399636), (68, 317358), (72, 299727), (81, 266424), (102, 211572), (108, 199818), (136, 158679), (153, 141048), (162, 133212), (204, 105786), (216, 99909), (243, 88808), (306, 70524), (324, 66606), (408, 52893), (459, 47016), (486, 44404), (612, 35262), (648, 33303), (653, 33048), (918, 23508), (972, 22202), (1224, 17631), (1306, 16524), (1377, 15672), (1836, 11754), (1944, 11101), (1959, 11016), (2612, 8262), (2754, 7836), (3672, 5877), (3918, 5508), (4131, 5224)]