21167797996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{557}}^1$

素因数の和:979

約数の個数: 96

約数和(自身を含む): 41317480512

約数和(自身を除く): 20149682516

約数列:

[1, 2, 4, 17, 34, 41, 43, 68, 82, 86, 164, 172, 317, 557, 634, 697, 731, 1114, 1268, 1394, 1462, 1763, 2228, 2788, 2924, 3526, 5389, 7052, 9469, 10778, 12997, 13631, 18938, 21556, 22837, 23951, 25994, 27262, 29971, 37876, 45674, 47902, 51988, 54524, 59942, 91348, 95804, 119884, 176569, 220949, 231727, 353138, 388229, 407167, 441898, 463454, 558871, 706276, 776458, 814334, 883796, 926908, 981991, 1117742, 1552916, 1628668, 1963982, 2235484, 3001673, 3927964, 6003346, 7239329, 7592467, 9500807, 12006692, 14478658, 15184934, 16693847, 19001614, 28957316, 30369868, 33387694, 38003228, 66775388, 123068593, 129071939, 246137186, 258143878, 311291147, 492274372, 516287756, 622582294, 1245164588, 5291949499, 10583898998, 21167797996]

約数ペア:

[(1, 21167797996), (2, 10583898998), (4, 5291949499), (17, 1245164588), (34, 622582294), (41, 516287756), (43, 492274372), (68, 311291147), (82, 258143878), (86, 246137186), (164, 129071939), (172, 123068593), (317, 66775388), (557, 38003228), (634, 33387694), (697, 30369868), (731, 28957316), (1114, 19001614), (1268, 16693847), (1394, 15184934), (1462, 14478658), (1763, 12006692), (2228, 9500807), (2788, 7592467), (2924, 7239329), (3526, 6003346), (5389, 3927964), (7052, 3001673), (9469, 2235484), (10778, 1963982), (12997, 1628668), (13631, 1552916), (18938, 1117742), (21556, 981991), (22837, 926908), (23951, 883796), (25994, 814334), (27262, 776458), (29971, 706276), (37876, 558871), (45674, 463454), (47902, 441898), (51988, 407167), (54524, 388229), (59942, 353138), (91348, 231727), (95804, 220949), (119884, 176569)]